Common use of Number Reg Clause in Contracts

Number Reg. Date Delta Education, Inc. Aquatic life mini-kit : equipment and guide to assist children in the exploration of an aquatic environment. TX0003739371 12/6/1993 Delta Education, Inc. Beginnings : teacher’s guide : level K / Xxxxxxx X. Xxxxx, Xxxxxx X. Xxxxx. TX0003363130 6/3/1992 Delta Education, Inc. Behavior of mealworms : Delta project cards / Xxxxxxx X. Xxxxx, Xxxxx X. Xxxxx. TX0000957855 8/11/1982 Delta Education, Inc. Body basics : activity guide. TX0000000000 11/1/1996 Delta Education, Inc. Body basics : activity journal. TX0004406458 11/1/1996 Delta Education, Inc. Brine shrimp : Delta project cards / Xxxxxxx X. Xxxxx, Xxxxx X. Xxxxx. TX0000957849 8/11/1982 Delta Education, Inc. Bubble science activity guide. TX0004406454 11/1/1996 Delta Education, Inc. Bubble science activity journal. TX0004406453 11/1/1996 Delta Education, Inc. Butterflies and moths : DSM II teacher’s guide. TX0004440180 1/9/1997 Delta Education, Inc. Chemical interactions : teacher’s guide. TX0000000000 2/27/1995 Delta Education, Inc. Classroom plants : teacher’s guide / editing Xxxx Xxxxxxxxx ; ill./art production Xxxxx Xxxxxxx. TX0000000000 1/9/1997 Delta Education, Inc. Clay boats : Delta project cards / Xxxxxxx X. Xxxxx, Xxxxx X. Xxxxx. TX0000957850 8/11/1982 Delta Education, Inc. Clear view of personal checking : simulations, activities, masters, visuals / author, Xxxxx X. Xxxxx. TX0004406666 2/19/1997 Delta Education, Inc. Color and light : teacher’s guide. TX0004043757 2/27/1995 Delta Education, Inc. Communities. TX0003593416 6/21/1993 Delta Education, Inc. Communities : teacher’s guide, level 5 / Xxxxxx X. Xxxxx, Xxxxxxx X. Xxxxx. TX0003690485 9/30/1993 Delta Education, Inc. Crystal creations : activity journal. TX0004406455 11/1/1996

Number Reg. Date Delta Education, Inc. Aquatic life mini-kit LLC Force and motion : equipment and teacher’s guide / Xxxxx X. Xxxxxxx, senior project editor. TX0005747207 5/9/2003 Delta Education From seed to assist children in the exploration of an aquatic environmentplant : teacher’s guide. TX0003739371 12/6/1993 TX0002384472 7/8/1988 Delta Education, Inc. Beginnings Gears at work : activity guide / author, Xxxxxx Xxxxxx. TX0004410977 2/18/1997 Delta Education, Inc. Gears at work : activity journal / author, Xxxxxx Xxxxxx. TX0004410978 2/18/1997 Delta Education, Inc. Great sensations : smell, taste, touch : activity guide / author, Xxxx X. Xxxxx. TX0004423398 3/3/1997 Delta Education, Inc. Great sensations : smell, taste, touch : activity journal / author, Xxxx X. Xxxxx. TX0004423399 3/3/1997 Delta Education, Inc. Great sensations : vision & hearing : activity guide / author, Xxxxx X. Xxxxx. TX0000000000 2/18/1997 Delta Education, Inc. Great sensations : vision & hearing : activity journal / author, Xxxxx X. Xxxxx. TX0004410973 2/18/1997 Delta Education, LLC Hexagonoes exponents : level 1 : teacher guide. TX0005853766 11/21/2003 Delta Education, LLC Hexagonoes exponents : level 2 : teacher guide. TX0005853767 11/21/2003 Delta Education, LLC Hexagonoes percents : level 2 : teacher guide. TX0005853768 11/21/2003 Delta Education, LLC Investigating water. TX0000000000 2/10/2004 Delta Education Investigating water : teacher’s guide. TX0000000000 7/8/1988 Delta Education Length and capacity : teacher’s guide / by D. Xxxxx Xxxxxxx. TX0002384462 7/8/1988 Delta Education, LLC Life cycles : level K teacher’s guide / Xxxxxxx X. Xxxxx, Xxxxxx X. Xxxxx. TX0003363130 6/3/1992 TX0005877115 11/21/2003 Delta Education, Inc. Behavior of mealworms : Delta project cards / Xxxxxxx X. Xxxxx, Xxxxx X. Xxxxx. TX0000957855 8/11/1982 Delta Education, Inc. Body basics : activity guide. TX0000000000 11/1/1996 Delta Education, Inc. Body basics : activity journal. TX0004406458 11/1/1996 Delta Education, Inc. Brine shrimp : Delta project cards / Xxxxxxx X. Xxxxx, Xxxxx X. Xxxxx. TX0000957849 8/11/1982 Delta Education, Inc. Bubble science activity guide. TX0004406454 11/1/1996 Delta Education, Inc. Bubble science activity journal. TX0004406453 11/1/1996 Delta Education, Inc. Butterflies and moths : DSM II teacher’s guide. TX0004440180 1/9/1997 Delta Education, Inc. Chemical interactions Education Looking at liquids : teacher’s guide. TX0000000000 2/27/1995 Delta Education, Inc. Classroom plants : teacher’s guide / editing Xxxx Xxxxxxxxx ; ill./art production Xxxxx Xxxxxxx. TX0000000000 1/9/1997 Delta Education, Inc. Clay boats : Delta project cards / Xxxxxxx X. Xxxxx, Xxxxx X. Xxxxx. TX0000957850 8/11/1982 Delta Education, Inc. Clear view of personal checking : simulations, activities, masters, visuals / author, Xxxxx X. Xxxxx. TX0004406666 2/19/1997 Delta Education, Inc. Color and light : teacher’s guide. TX0004043757 2/27/1995 Delta Education, Inc. Communities. TX0003593416 6/21/1993 Delta Education, Inc. Communities : teacher’s guide, level 5 / Xxxxxx X. Xxxxx, Xxxxxxx X. Xxxxx. TX0003690485 9/30/1993 Delta Education, Inc. Crystal creations : activity journal. TX0004406455 11/1/1996TX0002384458 7/8/1988

Number Reg. Date Delta Education, Inc. Aquatic life mini-kit Magnetic magic : equipment and guide to assist children in the exploration of an aquatic environmentactivity journal / by Delta Education ; author, Xxxxxxx Xxxxxxxxx. TX0003739371 12/6/1993 TX0004406421 11/1/1996 Delta Education, Inc. Beginnings LLC Magnets. TX0005913097 2/10/2004 Delta Education, LLC Material objects : teacher’s guide : level K / Xxxxxxx X. Xxxxx, Xxxxxx X. Xxxxx. TX0003363130 6/3/1992 TX0005877114 11/21/2003 Delta Education, Inc. Behavior of mealworms : Delta project cards / Xxxxxxx X. Xxxxx, Xxxxx X. Xxxxx. TX0000957855 8/11/1982 Delta Education, Inc. Body basics : activity guide. TX0000000000 11/1/1996 Delta Education, Inc. Body basics : activity journal. TX0004406458 11/1/1996 Delta Education, Inc. Brine shrimp : Delta project cards / Xxxxxxx X. Xxxxx, Xxxxx X. Xxxxx. TX0000957849 8/11/1982 Delta Education, Inc. Bubble science activity guide. TX0004406454 11/1/1996 Delta Education, Inc. Bubble science activity journal. TX0004406453 11/1/1996 Delta Education, Inc. Butterflies and moths : DSM II teacher’s guide. TX0004440180 1/9/1997 Delta Education, Inc. Chemical interactions Education Measuring : teacher’s guide. TX0000000000 2/27/1995 7/8/1988 Delta Education Xxxxxx’x toy box : teacher’s guide. TX0006403251 6/28/2006 Delta Education, Inc. Classroom plants LLC Observing an aquarium. TX0005914421 2/10/2004 Delta Education, LLC Observing an aquarium : teacher’s guide. TX0005914412 2/10/2004 Delta Education Observing an aquarium : teacher’s guide / editing Xxxx Xxxxxxxxx ; ill./art production Xxxxx Xxxxxxxby Deighton X. Xxxxxx, Xx. TX0000000000 1/9/1997 TX0002384471 7/8/1988 Delta Education, Inc. Clay boats : Delta project cards / Xxxxxxx X. Xxxxx, Xxxxx X. XxxxxLLC Oceans. TX0000957850 8/11/1982 TX0005913099 2/10/2004 Delta Education, Inc. Clear view of personal checking : simulations, activities, masters, visuals / author, Xxxxx X. Xxxxx. TX0004406666 2/19/1997 Delta Education, Inc. Color and light LLC Oceans : teacher’s guide. TX0004043757 2/27/1995 TX0005914414 2/10/2004 Delta Education, Inc. Communities. TX0003593416 6/21/1993 Delta Education, Inc. Communities LLC Organisms : teacher’s guide, level 5 guide / Xxxxxx X. Xxxxx, Xxxxxxx X. Xxxxx. TX0003690485 9/30/1993 TX0005866656 11/21/2003 Delta Education, LLC Plant and animal life cycles. TX0005699028 5/8/2003 Delta Education Plant and animal life cycles : teacher’s guide. TX0002384469 7/8/1988 Delta Education Plants in our world reader. TX0006402066 6/26/2006 Delta Education, LLC Pollution. TX0005913095 2/10/2004 Delta Education Pond life : teacher’s guide. TX0002384467 7/8/1988 Delta Education Powders and crystals : teacher’s guide. TX0002384459 7/8/1988 Delta Education Properties : teacher’s guide. TX0002384460 7/8/1988 Delta Education, LLC Relative position and motion : teacher’s guide / Xxxxxx X. Xxxxx, Xxxxxxx X. Xxxxx. TX0000000000 11/21/2003 Delta Education, Inc. Crystal creations Rock origins : activity journalguide / author, Xxxxxxx Xxxxxxxxx. TX0004406455 11/1/1996TX0004406776 2/19/1997

Number Reg. Date Delta Education, Inc. Aquatic life mini-kit : equipment and guide to assist children in the exploration Delta Education, Inc., presents A feast of an aquatic environmentfractions / a menu of activities prepared by Xxxxx Xxxxx, Xxxxxxxx Xxxxxxxx, Xxxx Xxxxxxx ... [et al.] ; cover ill. TX0003739371 12/6/1993 Xxxx Xxxxx. TX0004406537 11/1/1996 Delta Education, Inc. Beginnings : teacher’s guide : level K Delta game factory / Xxxxx X. Xxxxx. TX0004406544 2/19/1997 Delta Education, Inc. Delta project cards—Colored solutions / Xxxxxxx X. Xxxxx, Xxxxxx Xxxxx X. Xxxxx. TX0003363130 6/3/1992 TX0000842525 10/26/1981 Delta Education, Inc. Behavior of mealworms Delta Volume Shake : teacher’s guide. TX0004409053 11/1/1996 Delta Education, Inc. Dinosaur classification : teacher’s guide. TX0004440862 1/9/1997 Delta Education, Inc. DNA—from genes to proteins : teacher’s guide / author, Xxxxx X. Xxxxxxx. TX0003845929 6/24/1994 Delta Education, Inc. Earth, moon, and sun : teacher’s guide / author[s], Xxxx X. Xxxxxxxxxxx, 1952-, and Jan M. Derby ; ill. Xxxxx Xxxxxxx. TX0004442655 1/9/1997 Delta Education, Inc. Earth movements : DSM II teacher’s guide. TX0004441527 1/9/1997 Delta Education, Inc. Earth processes : teacher’s guide. TX0004440864 1/9/1997 Delta Education, Inc. Earthworms : Delta project cards / Xxxxxxx X. Xxxxx, Xxxxx X. Xxxxx. TX0000957855 TX0000957851 8/11/1982 Delta Education, Inc. Body basics Ecosystems. TX0003593418 6/21/1993 Delta Education, Inc. Ecosystems : SCIS 3, teacher’s guide, level 6 / Xxxxxx X. Xxxxx, Xxxxxxx X. Xxxxx. TX0003690482 9/30/1993 Delta Education, Inc. Electrical circuits : teacher’s guide / editing Editorial Services Plus ; ill./art production Xxxxx Xxxxxxx. TX0000000000 1/9/1997 Delta Education, Inc. Electrical connections : activity guide. TX0000000000 TX0004406463 11/1/1996 Delta Education, Inc. Body basics Electrical connections : teacher’s guide / author, Xxx Xxxx. TX0003830396 3/31/1994 Delta Education, Inc. Electromagnetism activity journal. TX0004406458 TX0004409099 11/1/1996 Delta Education, Inc. Brine shrimp Electromagnetism : teacher’s guide. TX0004043755 2/27/1995 Claimant Title Reg. Number Reg. Date Delta Education, Inc. Energy sources. TX0003602059 6/21/1993 Delta Education, Inc. Environments. TX0003593419 6/21/1993 Delta Education, Inc. Environments : teacher’s guide, level 4 / Xxxxxx X. Xxxxx, Xxxxxxx X. Xxxxx. TX0003690484 9/30/1993 Delta Education, Inc. Erosion : teacher’s guide. TX0004043756 2/27/1995 Delta Education, Inc. Exploring geometry : intermediate. TX0003423266 11/16/1992 Delta Education, Inc. Exploring geometry : primary. TX0003423267 11/16/1992 Delta Education, Inc. Exploring number relationships : intermediate. TX0003423265 11/16/1992 Delta Education, Inc. Exploring probability / Xxxxxx X. Xxxxxxxxxxxxx, Xxxxxxx Xxxxxx, Xxxx Xxxxxxxxx. TX0003423216 11/16/1992 Delta Education, Inc. Exploring probability : primary / Xxxxx X. Xxxxx. TX0003423215 11/16/1992 Delta Education, Inc. Fast food for thought : Delta base 10 fries : teacher’s guide / Xxxxxx Xxxxxxx. TX0003627597 6/25/1993 Delta Education, Inc. Fast Food for Thought : Delta Demimal Dog : teacher’s guide. TX0003485171 2/16/1993 Delta Education, Inc. Fast food for thought : Delta fraction burger : teacher’s guide / Xxxxxx Xxxxxxx and Xxxxx Xxxxx. TX0003627596 6/25/1993 Delta Education, Inc. Finding the moon : teacher’s guide. TX0004440865 1/9/1997 Delta Education, Inc. Food chains and webs : DSM II teacher’s guide. TX0004441526 1/9/1997 Delta Education, Inc. Fossil formations : activity guide. TX0004406459 11/1/1996 Delta Education, Inc. Fossil formations : activity journal. TX0004406457 11/1/1996 Delta Education, Inc. From seed to plant : teacher’s guide / editing Xxxxx X. Xxxx ; ill./art production Xxxxx Xxxxxxx. TX0004446637 1/9/1997 Delta Education, Inc. Fungi—small wonders : teacher’s guide. TX0003830394 3/31/1994 Delta Education, Inc. Gases and “airs” : Delta project cards / Xxxxxxx X. Xxxxx, Xxxxx X. Xxxxx. TX0000957849 8/11/1982 Delta Education, Inc. Bubble science activity guide. TX0004406454 11/1/1996 Delta Education, Inc. Bubble science activity journal. TX0004406453 11/1/1996 Delta Education, Inc. Butterflies and moths : DSM II teacher’s guide. TX0004440180 1/9/1997 Delta Education, Inc. Chemical interactions : teacher’s guide. TX0000000000 2/27/1995 Delta Education, Inc. Classroom plants : teacher’s guide / editing Xxxx Xxxxxxxxx ; ill./art production Xxxxx Xxxxxxx. TX0000000000 1/9/1997 Delta Education, Inc. Clay boats : Delta project cards / Xxxxxxx X. Xxxxx, Xxxxx X. Xxxxx. TX0000957850 8/11/1982 Delta Education, Inc. Clear view of personal checking : simulations, activities, masters, visuals / author, Xxxxx X. Xxxxx. TX0004406666 2/19/1997 Delta Education, Inc. Color and light : teacher’s guide. TX0004043757 2/27/1995 Delta Education, Inc. Communities. TX0003593416 6/21/1993 Delta Education, Inc. Communities : teacher’s guide, level 5 / Xxxxxx X. Xxxxx, Xxxxxxx X. Xxxxx. TX0003690485 9/30/1993 Delta Education, Inc. Crystal creations : activity journal. TX0004406455 11/1/1996TX0000957853 8/11/1982

Number Reg. Date Delta Education, Inc. Aquatic life mini-kit : equipment and guide to assist children in the exploration Delta Education, Inc., presents A feast of an aquatic environmentfractions / a menu of activities prepared by Xxxxx Xxxxx, Xxxxxxxx Xxxxxxxx, Xxxx Xxxxxxx ... [et al.] ; cover ill. TX0003739371 12/6/1993 Xxxx Xxxxx. TX0004406537 11/1/1996 Delta Education, Inc. Beginnings : teacher’s guide : level K Delta game factory / Xxxxx X. Xxxxx. TX0004406544 2/19/1997 Delta Education, Inc. Delta project cards--Colored solutions / Xxxxxxx X. Xxxxx, Xxxxxx Xxxxx X. Xxxxx. TX0003363130 6/3/1992 TX0000842525 10/26/1981 Delta Education, Inc. Behavior of mealworms Delta Volume Shake : teacher’s guide. TX0004409053 11/1/1996 Delta Education, Inc. Dinosaur classification : teacher’s guide. TX0004440862 1/9/1997 Delta Education, Inc. DNA--from genes to proteins : teacher’s guide / author, Xxxxx X. Xxxxxxx. TX0003845929 6/24/1994 Delta Education, Inc. Earth, moon, and sun : teacher’s guide / author[s], Xxxx X. Xxxxxxxxxxx, 1952-, and Jan M. Derby ; ill. Xxxxx Xxxxxxx. TX0004442655 1/9/1997 Delta Education, Inc. Earth movements : DSM II teacher’s guide. TX0004441527 1/9/1997 Delta Education, Inc. Earth processes : teacher’s guide. TX0004440864 1/9/1997 Delta Education, Inc. Earthworms : Delta project cards / Xxxxxxx X. Xxxxx, Xxxxx X. Xxxxx. TX0000957855 TX0000957851 8/11/1982 Delta Education, Inc. Body basics Ecosystems. TX0003593418 6/21/1993 Delta Education, Inc. Ecosystems : SCIS 3, teacher’s guide, level 6 / Xxxxxx X. Xxxxx, Xxxxxxx X. Xxxxx. TX0003690482 9/30/1993 Delta Education, Inc. Electrical circuits : teacher’s guide / editing Editorial Services Plus ; ill./art production Xxxxx Xxxxxxx. TX0000000000 1/9/1997 Delta Education, Inc. Electrical connections : activity guide. TX0000000000 TX0004406463 11/1/1996 Delta Education, Inc. Body basics Electrical connections : teacher’s guide / author, Xxx Xxxx. TX0003830396 3/31/1994 Delta Education, Inc. Electromagnetism activity journal. TX0004406458 TX0004409099 11/1/1996 Delta Education, Inc. Brine shrimp Electromagnetism : teacher’s guide. TX0004043755 2/27/1995 Claimant Title Reg. Number Reg. Date Delta Education, Inc. Energy sources. TX0003602059 6/21/1993 Delta Education, Inc. Environments. TX0003593419 6/21/1993 Delta Education, Inc. Environments : teacher’s guide, level 4 / Xxxxxx X. Xxxxx, Xxxxxxx X. Xxxxx. TX0003690484 9/30/1993 Delta Education, Inc. Erosion : teacher’s guide. TX0004043756 2/27/1995 Delta Education, Inc. Exploring geometry : intermediate. TX0003423266 11/16/1992 Delta Education, Inc. Exploring geometry : primary. TX0003423267 11/16/1992 Delta Education, Inc. Exploring number relationships : intermediate. TX0003423265 11/16/1992 Delta Education, Inc. Exploring probability / Xxxxxx X. Xxxxxxxxxxxxx, Xxxxxxx Xxxxxx, Xxxx Xxxxxxxxx. TX0003423216 11/16/1992 Delta Education, Inc. Exploring probability : primary / Xxxxx X. Xxxxx. TX0003423215 11/16/1992 Delta Education, Inc. Fast food for thought : Delta base 10 fries : teacher’s guide / Xxxxxx Xxxxxxx. TX0003627597 6/25/1993 Delta Education, Inc. Fast Food for Thought : Delta Demimal Dog : teacher’s guide. TX0003485171 2/16/1993 Delta Education, Inc. Fast food for thought : Delta fraction burger : teacher’s guide / Xxxxxx Xxxxxxx and Xxxxx Xxxxx. TX0003627596 6/25/1993 Delta Education, Inc. Finding the moon : teacher’s guide. TX0004440865 1/9/1997 Delta Education, Inc. Food chains and webs : DSM II teacher’s guide. TX0004441526 1/9/1997 Delta Education, Inc. Fossil formations : activity guide. TX0004406459 11/1/1996 Delta Education, Inc. Fossil formations : activity journal. TX0004406457 11/1/1996 Delta Education, Inc. From seed to plant : teacher’s guide / editing Xxxxx X. Xxxx ; ill./art production Xxxxx Xxxxxxx. TX0004446637 1/9/1997 Delta Education, Inc. Fungi--small wonders : teacher’s guide. TX0003830394 3/31/1994 Delta Education, Inc. Gases and “airs” : Delta project cards / Xxxxxxx X. Xxxxx, Xxxxx X. Xxxxx. TX0000957849 8/11/1982 Delta Education, Inc. Bubble science activity guide. TX0004406454 11/1/1996 Delta Education, Inc. Bubble science activity journal. TX0004406453 11/1/1996 Delta Education, Inc. Butterflies and moths : DSM II teacher’s guide. TX0004440180 1/9/1997 Delta Education, Inc. Chemical interactions : teacher’s guide. TX0000000000 2/27/1995 Delta Education, Inc. Classroom plants : teacher’s guide / editing Xxxx Xxxxxxxxx ; ill./art production Xxxxx Xxxxxxx. TX0000000000 1/9/1997 Delta Education, Inc. Clay boats : Delta project cards / Xxxxxxx X. Xxxxx, Xxxxx X. Xxxxx. TX0000957850 8/11/1982 Delta Education, Inc. Clear view of personal checking : simulations, activities, masters, visuals / author, Xxxxx X. Xxxxx. TX0004406666 2/19/1997 Delta Education, Inc. Color and light : teacher’s guide. TX0004043757 2/27/1995 Delta Education, Inc. Communities. TX0003593416 6/21/1993 Delta Education, Inc. Communities : teacher’s guide, level 5 / Xxxxxx X. Xxxxx, Xxxxxxx X. Xxxxx. TX0003690485 9/30/1993 Delta Education, Inc. Crystal creations : activity journal. TX0004406455 11/1/1996TX0000957853 8/11/1982

Number Reg. Date Delta Education, Inc. Aquatic life mini-kit Newtons toy box : equipment and teacher’s guide to assist children in the exploration of an aquatic environment/ author, Xxxxxxx Xxxxxxx. TX0003739371 12/6/1993 TX0003830398 3/31/1994 Delta Education, Inc. Beginnings Observing an aquarium : DSM II teacher’s guide. TX0004440179 1/9/1997 Delta Education, Inc. Organisms. TX0000000000 6/21/1993 Delta Education, Inc. Organisms : teacher’s guide : level K 1 / Xxxxxxx X. Xxxxx, Xxxxxx X. Xxxxx. TX0003363130 TX0003363131 6/3/1992 Delta Education, Inc. Behavior of mealworms : Delta project cards / Xxxxxxx X. Xxxxx, Xxxxx X. Xxxxx. TX0000957855 8/11/1982 Delta Education, Inc. Body basics : activity guide. TX0000000000 11/1/1996 Delta Education, Inc. Body basics : activity journal. TX0004406458 11/1/1996 Delta Education, Inc. Brine shrimp : Delta project cards / Xxxxxxx X. Xxxxx, Xxxxx X. Xxxxx. TX0000957849 8/11/1982 Delta Education, Inc. Bubble science activity guide. TX0004406454 11/1/1996 Delta Education, Inc. Bubble science activity journal. TX0004406453 11/1/1996 Delta Education, Inc. Butterflies Plant and moths : DSM II teacher’s guide. TX0004440180 1/9/1997 Delta Education, Inc. Chemical interactions : teacher’s guide. TX0000000000 2/27/1995 Delta Education, Inc. Classroom plants animal life cycles : teacher’s guide / editing Xxxxx X. Xxxxx and Xxxxx Xxxxxxxx ; ill./art production Xxxxx X. Xxxxxxx. TX0004440925 1/9/1997 Delta Education, Inc. Plant and animal populations : teacher’s guide / editing Xxxxx X. Xxxx Xxxxxxxxx ; ill./art production Xxxxx Xxxxxxx. TX0000000000 TX0004440924 1/9/1997 Delta Education, Inc. Clay boats Pollution : teacher’s guide. TX0003845509 6/24/1994 Delta project cards Education, Inc. Pond life : teacher’s guide. TX0003933406 2/27/1994 Delta Education, Inc. Populations. TX0003606741 6/21/1993 Delta Education, Inc. Populations : teacher’s guide : level 3 / Xxxxxxx X. Xxxxx, Xxxxx Xxxxxx X. Xxxxx. TX0000957850 8/11/1982 TX0003363136 6/3/1992 Delta Education, Inc. Clear view of personal checking Powders and crystals : simulations, activities, masters, visuals teacher’s guide / author, editing Xxxxx X. XxxxxXxxx ; ill./art production Xxxxx X. Xxxxxxx. TX0004406666 2/19/1997 TX0004440921 1/9/1997 Delta Education, Inc. Color and light Properties : teacher’s guide. TX0004043757 2/27/1995 TX0004442793 1/9/1997 Delta Education, Inc. Communities. TX0003593416 6/21/1993 Delta EducationRelative position and motion : SCIS 3, Inc. Communities : teacher’s guide, level 5 4 / Xxxxxxx X. Xxxxx, Xxxxxx X. Xxxxx, Xxxxxxx X. Xxxxx. TX0003690485 TX0003690483 9/30/1993 Delta Education, Inc. Crystal creations Rock origins : activity journal. TX0004406455 11/1/1996TX0004411206 11/1/1996 Delta Education, Inc. Rocks and minerals : teacher’s guide : a Delta science module / editing Editorial Services Plus, copyediting Xxxx Xxxxxxxxx ; design/production Xxx X. Xxxxxxxxxx ; ill./art production Xxxxx X. Xxxxxxx ; cover design Xxxxx X. Xxxxxxx. TX0003784217 3/31/1994

Number Reg. Date Delta Education, Inc. Aquatic life mini-kit : equipment and guide to assist children in the exploration of an aquatic environment. TX0003739371 12/6/1993 Delta Education, Inc. Beginnings : teacher’s guide : level K / Xxxxxxx X. Xxxxx, Xxxxxx X. Xxxxx. TX0003363130 6/3/1992 Delta Education, Inc. Behavior of mealworms Strings & musical instruments : Delta project cards / Xxxxxxx X. Xxxxx, Xxxxx X. Xxxxx. TX0000957855 TX0000957856 8/11/1982 Delta Education, Inc. Body basics : activity guideSubsystems and variables. TX0000000000 11/1/1996 TX0003606740 6/21/1993 Delta Education, Inc. Body basics Subsystems and variables : activity journal. TX0004406458 11/1/1996 Delta Education, Inc. Brine shrimp teacher’s guide : Delta project cards level 3 / Xxxxxxx X. Xxxxx, Xxxxx Xxxxxx X. Xxxxx. TX0000957849 8/11/1982 TX0003363135 6/3/1992 Delta Education, Inc. Bubble science activity guide. TX0004406454 11/1/1996 Delta Education, Inc. Bubble science activity journal. TX0004406453 11/1/1996 Delta Education, Inc. Butterflies Sunshine and moths shadows : DSM II teacher’s guideguide / editing Xxxx X. Xxxxx ; ill./art production Xxxxx Xxxxxxx. TX0004440180 TX0004446642 1/9/1997 Delta Education, Inc. Chemical interactions Water cycle : teacher’s guide / editing Xxxxx X. Xxxxx ; ill./art production Xxxxx Xxxxxxx. TX0004446639 1/9/1997 Delta Education, Inc. Weather forecasting : teacher’s guide / editing Editorial Services Plus ; ill./art production Xxxxx Xxxxxxx. TX0004446640 1/9/1997 Delta Education, Inc. Weather instruments : teacher’s guide. TX0000000000 2/27/1995 TX0004440861 1/9/1997 Delta Education, Inc. Classroom plants Weather watching : teacher’s guide / editing Xxxx Xxxxxxxxx ; ill./art production Xxxxx Xxxxxxx. TX0000000000 TX0004446641 1/9/1997 Delta Education, Inc. Clay boats Whistles : Delta project cards / Xxxxxxx X. Xxxxx, Xxxxx X. Xxxxx. TX0000957850 TX0000957854 8/11/1982 Delta Education, Inc. Clear view of personal checking : simulations, activities, masters, visuals / author, Xxxxx X. Xxxxx. TX0004406666 2/19/1997 Delta Education, Inc. Color You and light your body : teacher’s guide. TX0004043757 2/27/1995 TX0003830395 3/31/1994 Delta Education, Inc. CommunitiesLLC About me. TX0003593416 6/21/1993 TX0006236193 9/30/2005 Delta Education, Inc. Communities LLC Addition & subtraction student activity guide : no. 550-3530. TX0005751741 5/8/2003 Delta Education, LLC Addition & subtraction : teacher’s guide, level 5 / Xxxxxx X. Xxxxx, Xxxxxxx X. Xxxxx. TX0003690485 9/30/1993 TX0005752801 5/8/2003 Delta Education, Inc. Crystal creations LLC Algebra : grades 3-4, student activity journalguide. TX0004406455 11/1/1996TX0005698998 5/8/2003 Delta Education, LLC Algebra : grades 5-6, student activity guide. TX0000000000 5/8/2003 Delta Education, LLC Algebra teacher’s guide : grades 3-4. TX0005751730 5/8/2003 Delta Education, LLC Algebra teacher’s guide : grades 5-6. TX0005751729 5/8/2003

Number Reg. Date Delta Education, Inc. Aquatic life mini-kit : equipment and guide to assist children in the exploration of an aquatic environment. TX0003739371 12/6/1993 Delta Education, Inc. Beginnings : teacher’s guide : level K / Xxxxxxx X. Xxxxx, Xxxxxx X. Xxxxx. TX0003363130 6/3/1992 Delta Education, Inc. Behavior of mealworms : Delta project cards / Xxxxxxx X. Xxxxx, Xxxxx X. Xxxxx. TX0000957855 8/11/1982 Delta Education, Inc. Body basics LLC Animal observatory : activity guide. TX0000000000 11/1/1996 TX0005827574 8/12/2003 Delta Education, Inc. LLC Animal observatory : activity journal. TX0005827531 8/23/2003 Delta Education, LLC Animals. TX0006203855 7/28/2005 Delta Education, LLC Area and volume formulas teacher’s guide. TX0000000000 11/21/2003 Delta Education, LLC Base Ten Fries : math activities for Base Ten Fries. TX0005866681 11/21/2003 Delta Education, LLC Body basics : activity journal. TX0004406458 11/1/1996 TX0000000000 8/13/2003 Delta Education, Inc. Brine shrimp LLC Breaking earth's hold : Delta project cards / Xxxxxxx X. Xxxxx, Xxxxx X. Xxxxxactivity guide. TX0000957849 8/11/1982 TX0005827561 8/12/2003 Delta Education, Inc. LLC Breaking earth's hold : activity journal. TX0005827540 8/12/2003 Delta Education, LLC Bubble science : activity guide. TX0004406454 11/1/1996 TX0005827624 8/12/2003 Delta Education, Inc. LLC Bubble science : activity journal. TX0004406453 11/1/1996 TX0005827633 8/12/2003 Delta Education, Inc. LLC Butterflies and moths : DSM II teacher’s guide. TX0004440180 1/9/1997 Delta Education, Inc. Chemical interactions : teacher’s guide. TX0000000000 2/27/1995 TX0005914936 2/10/2004 Delta Education, Inc. Classroom plants LLC Charge it! static electricity : teacher’s guide / editing Xxxx Xxxxxxxxx ; ill./art production Xxxxx Xxxxxxxactivity guide. TX0000000000 1/9/1997 TX0005827625 8/12/2003 Delta Education, Inc. Clay boats LLC Charge it! static electricity : Delta project cards / Xxxxxxx X. Xxxxx, Xxxxx X. Xxxxxactivity journal. TX0000957850 8/11/1982 TX0005827636 8/12/2003 Delta Education, Inc. LLC Clear View--graphing : grades 5-8, teacher's guide : overhead transparencies, activity masters. TX0005876336 11/21/2003 Delta Education, LLC Clear view of decimals : activities, masters, visuals, applications. TX0005876337 11/21/2003 Delta Education, LLC Clear view of fractions : activities, masters, visuals, applications. TX0005866615 11/21/2003 Delta Education, LLC Clear view of percent : activities, masters, visuals, applications. TX0005876334 11/21/2003 Delta Education, LLC Clear view of personal checking : simulations, activities, masters, visuals / author, Xxxxx X. Xxxxxvisuals. TX0004406666 2/19/1997 TX0005876338 11/21/2003 Delta Education, Inc. Color and light LLC Clear view of tessellations : teacher’s guideactivities, masters, visuals. TX0004043757 2/27/1995 TX0005866614 11/21/2003 Delta Education, Inc. CommunitiesLLC Clear view ratio & proportion. TX0003593416 6/21/1993 Delta Education, Inc. Communities : teacher’s guide, level 5 / Xxxxxx X. Xxxxx, Xxxxxxx X. Xxxxx. TX0003690485 9/30/1993 Delta Education, Inc. Crystal creations : activity journal. TX0004406455 11/1/1996TX0005876330 11/21/2003

Number Reg. Date Delta Education, Inc. Aquatic life mini-kit : equipment and guide to assist children in the exploration of an aquatic environment. TX0003739371 12/6/1993 Delta Education, Inc. Beginnings : teacher’s guide : level K / Xxxxxxx X. Xxxxx, Xxxxxx X. Xxxxx. TX0003363130 6/3/1992 Delta Education, Inc. Behavior of mealworms : Delta project cards / Xxxxxxx X. Xxxxx, Xxxxx X. Xxxxx. TX0000957855 8/11/1982 Delta Education, Inc. Body basics LLC Animal observatory : activity guide. TX0000000000 11/1/1996 TX0005827574 8/12/2003 Delta Education, Inc. LLC Animal observatory : activity journal. TX0005827531 8/23/2003 Delta Education, LLC Animals. TX0006203855 7/28/2005 Delta Education, LLC Area and volume formulas teacher’s guide. TX0005854001 11/21/2003 Delta Education, LLC Base Ten Fries : math activities for Base Ten Fries. TX0005866681 11/21/2003 Delta Education, LLC Body basics : activity journal. TX0004406458 11/1/1996 TX0005827635 8/13/2003 Delta Education, Inc. Brine shrimp LLC Breaking earth’s hold : Delta project cards / Xxxxxxx X. Xxxxx, Xxxxx X. Xxxxxactivity guide. TX0000957849 8/11/1982 TX0005827561 8/12/2003 Delta Education, Inc. LLC Breaking earth’s hold : activity journal. TX0005827540 8/12/2003 Delta Education, LLC Bubble science : activity guide. TX0004406454 11/1/1996 TX0005827624 8/12/2003 Delta Education, Inc. LLC Bubble science : activity journal. TX0004406453 11/1/1996 TX0005827633 8/12/2003 Delta Education, Inc. LLC Butterflies and moths : DSM II teacher’s guide. TX0004440180 1/9/1997 Delta Education, Inc. Chemical interactions : teacher’s guide. TX0000000000 2/27/1995 TX0005914936 2/10/2004 Delta Education, Inc. Classroom plants LLC Charge it! static electricity : activity guide. TX0005827625 8/12/2003 Delta Education, LLC Charge it! static electricity : activity journal. TX0005827636 8/12/2003 Delta Education, LLC Clear View--graphing : grades 5-8, teacher’s guide / editing Xxxx Xxxxxxxxx ; ill./art production Xxxxx Xxxxxxx: overhead transparencies, activity masters. TX0000000000 1/9/1997 TX0005876336 11/21/2003 Delta Education, Inc. Clay boats LLC Clear view of decimals : Delta project cards / Xxxxxxx X. Xxxxxactivities, Xxxxx X. Xxxxxmasters, visuals, applications. TX0000957850 8/11/1982 TX0005876337 11/21/2003 Delta Education, Inc. LLC Clear view of fractions : activities, masters, visuals, applications. TX0005866615 11/21/2003 Delta Education, LLC Clear view of percent : activities, masters, visuals, applications. TX0005876334 11/21/2003 Delta Education, LLC Clear view of personal checking : simulations, activities, masters, visuals / author, Xxxxx X. Xxxxxvisuals. TX0004406666 2/19/1997 TX0005876338 11/21/2003 Delta Education, Inc. Color and light LLC Clear view of tessellations : teacher’s guideactivities, masters, visuals. TX0004043757 2/27/1995 TX0005866614 11/21/2003 Delta Education, Inc. CommunitiesLLC Clear view ratio & proportion. TX0003593416 6/21/1993 Delta Education, Inc. Communities : teacher’s guide, level 5 / Xxxxxx X. Xxxxx, Xxxxxxx X. Xxxxx. TX0003690485 9/30/1993 Delta Education, Inc. Crystal creations : activity journal. TX0004406455 11/1/1996TX0005876330 11/21/2003

Number Reg. Date Delta Education, Inc. Aquatic life mini-kit Newtons toy box : equipment and teacher’s guide to assist children in the exploration of an aquatic environment/ author, Xxxxxxx Xxxxxxx. TX0003739371 12/6/1993 TX0003830398 3/31/1994 Delta Education, Inc. Beginnings Observing an aquarium : DSM II teacher’s guide. TX0004440179 1/9/1997 Delta Education, Inc. Organisms. TX0000000000 6/21/1993 Delta Education, Inc. Organisms : teacher’s guide : level K 1 / Xxxxxxx X. Xxxxx, Xxxxxx X. Xxxxx. TX0003363130 TX0003363131 6/3/1992 Delta Education, Inc. Behavior of mealworms : Delta project cards / Xxxxxxx X. Xxxxx, Xxxxx X. Xxxxx. TX0000957855 8/11/1982 Delta Education, Inc. Body basics : activity guide. TX0000000000 11/1/1996 Delta Education, Inc. Body basics : activity journal. TX0004406458 11/1/1996 Delta Education, Inc. Brine shrimp : Delta project cards / Xxxxxxx X. Xxxxx, Xxxxx X. Xxxxx. TX0000957849 8/11/1982 Delta Education, Inc. Bubble science activity guide. TX0004406454 11/1/1996 Delta Education, Inc. Bubble science activity journal. TX0004406453 11/1/1996 Delta Education, Inc. Butterflies Plant and moths : DSM II teacher’s guide. TX0004440180 1/9/1997 Delta Education, Inc. Chemical interactions : teacher’s guide. TX0000000000 2/27/1995 Delta Education, Inc. Classroom plants animal life cycles : teacher’s guide / editing Xxxxx X. Xxxxx and Xxxxx Xxxxxxxx ; ill./art production Xxxxx X. Xxxxxxx. TX0004440925 1/9/1997 Delta Education, Inc. Plant and animal populations : teacher’s guide / editing Xxxxx X. Xxxx Xxxxxxxxx ; ill./art production Xxxxx Xxxxxxx. TX0000000000 TX0004440924 1/9/1997 Delta Education, Inc. Clay boats Pollution : teacher’s guide. TX0003845509 6/24/1994 Delta project cards Education, Inc. Pond life : teacher’s guide. TX0003933406 2/27/1994 Delta Education, Inc. Populations. TX0003606741 6/21/1993 Delta Education, Inc. Populations : teacher’s guide : level 3 / Xxxxxxx X. Xxxxx, Xxxxx Xxxxxx X. Xxxxx. TX0000957850 8/11/1982 TX0003363136 6/3/1992 Delta Education, Inc. Clear view of personal checking Powders and crystals : simulations, activities, masters, visuals teacher’s guide / author, editing Xxxxx X. XxxxxXxxx ; ill./art production Nancy P. Schoefl. TX0004406666 2/19/1997 TX0004440921 1/9/1997 Delta Education, Inc. Color and light Properties : teacher’s guide. TX0004043757 2/27/1995 TX0004442793 1/9/1997 Delta Education, Inc. Communities. TX0003593416 6/21/1993 Delta EducationRelative position and motion : SCIS 3, Inc. Communities : teacher’s guide, level 5 4 / Xxxxxx X. XxxxxHerbert D. Thier, Xxxxxxx X. XxxxxRobert C. Knott. TX0003690485 TX0003690483 9/30/1993 Delta Education, Inc. Crystal creations Rock origins : activity journal. TX0004406455 11/1/1996TX0004411206 11/1/1996 Delta Education, Inc. Rocks and minerals : teacher’s guide : a Delta science module / editing Editorial Services Plus, copyediting Jill Farinelli ; design/production Ann V. Richardson ; ill./art production Nancy P. Schoefl ; cover design Nancy P. Schoefl. TX0003784217 3/31/1994

Number Reg. Date Delta Education, Inc. Aquatic life mini-kit Magnetic magic : equipment and guide to assist children in the exploration of an aquatic environmentactivity journal / by Delta Education ; author, Xxxxxxx Xxxxxxxxx. TX0003739371 12/6/1993 TX0004406421 11/1/1996 Delta Education, Inc. Beginnings LLC Magnets. TX0005913097 2/10/2004 Delta Education, LLC Material objects : teacher’s guide : level K / Xxxxxxx X. Xxxxx, Xxxxxx X. Xxxxx. TX0003363130 6/3/1992 TX0005877114 11/21/2003 Delta Education, Inc. Behavior of mealworms : Delta project cards / Xxxxxxx X. Xxxxx, Xxxxx X. Xxxxx. TX0000957855 8/11/1982 Delta Education, Inc. Body basics : activity guide. TX0000000000 11/1/1996 Delta Education, Inc. Body basics : activity journal. TX0004406458 11/1/1996 Delta Education, Inc. Brine shrimp : Delta project cards / Xxxxxxx X. Xxxxx, Xxxxx X. Xxxxx. TX0000957849 8/11/1982 Delta Education, Inc. Bubble science activity guide. TX0004406454 11/1/1996 Delta Education, Inc. Bubble science activity journal. TX0004406453 11/1/1996 Delta Education, Inc. Butterflies and moths : DSM II teacher’s guide. TX0004440180 1/9/1997 Delta Education, Inc. Chemical interactions Education Measuring : teacher’s guide. TX0000000000 2/27/1995 7/8/1988 Delta Education Xxxxxx'x toy box : teacher’s guide. TX0006403251 6/28/2006 Delta Education, Inc. Classroom plants LLC Observing an aquarium. TX0005914421 2/10/2004 Delta Education, LLC Observing an aquarium : teacher’s guide. TX0005914412 2/10/2004 Delta Education Observing an aquarium : teacher’s guide / editing Xxxx Xxxxxxxxx ; ill./art production Xxxxx Xxxxxxxby Deighton X. Xxxxxx, Xx. TX0000000000 1/9/1997 TX0002384471 7/8/1988 Delta Education, Inc. Clay boats : Delta project cards / Xxxxxxx X. Xxxxx, Xxxxx X. XxxxxLLC Oceans. TX0000957850 8/11/1982 TX0005913099 2/10/2004 Delta Education, Inc. Clear view of personal checking : simulations, activities, masters, visuals / author, Xxxxx X. Xxxxx. TX0004406666 2/19/1997 Delta Education, Inc. Color and light LLC Oceans : teacher’s guide. TX0004043757 2/27/1995 TX0005914414 2/10/2004 Delta Education, Inc. Communities. TX0003593416 6/21/1993 Delta Education, Inc. Communities LLC Organisms : teacher’s guide, level 5 guide / Xxxxxx X. Xxxxx, Xxxxxxx X. Xxxxx. TX0003690485 9/30/1993 TX0005866656 11/21/2003 Delta Education, LLC Plant and animal life cycles. TX0005699028 5/8/2003 Delta Education Plant and animal life cycles : teacher’s guide. TX0002384469 7/8/1988 Delta Education Plants in our world reader. TX0006402066 6/26/2006 Delta Education, LLC Pollution. TX0005913095 2/10/2004 Delta Education Pond life : teacher’s guide. TX0002384467 7/8/1988 Delta Education Powders and crystals : teacher’s guide. TX0002384459 7/8/1988 Delta Education Properties : teacher’s guide. TX0002384460 7/8/1988 Delta Education, LLC Relative position and motion : teacher’s guide / Xxxxxx X. Xxxxx, Xxxxxxx X. Xxxxx. TX0000000000 11/21/2003 Delta Education, Inc. Crystal creations Rock origins : activity journalguide / author, Xxxxxxx Xxxxxxxxx. TX0004406455 11/1/1996TX0004406776 2/19/1997

Number Reg. Date Delta Education, Inc. Aquatic life mini-kit : equipment and guide to assist children in the exploration of an aquatic environment. TX0003739371 12/6/1993 Delta Education, Inc. Beginnings : teacher’s guide : level K / Xxxxxxx X. Xxxxx, Xxxxxx X. Xxxxx. TX0003363130 6/3/1992 Delta Education, Inc. Behavior of mealworms : Delta project cards / Xxxxxxx X. Xxxxx, Xxxxx X. Xxxxx. TX0000957855 8/11/1982 Delta Education, Inc. Body basics LLC Animal observatory : activity guide. TX0000000000 11/1/1996 TX0005827574 8/12/2003 Delta Education, Inc. LLC Animal observatory : activity journal. TX0005827531 8/23/2003 Delta Education, LLC Animals. TX0006203855 7/28/2005 Delta Education, LLC Area and volume formulas teacher’s guide. TX0000000000 11/21/2003 Delta Education, LLC Base Ten Fries : math activities for Base Ten Fries. TX0005866681 11/21/2003 Delta Education, LLC Body basics : activity journal. TX0004406458 11/1/1996 TX0000000000 8/13/2003 Delta Education, Inc. Brine shrimp LLC Breaking earth’s hold : Delta project cards / Xxxxxxx X. Xxxxx, Xxxxx X. Xxxxxactivity guide. TX0000957849 8/11/1982 TX0005827561 8/12/2003 Delta Education, Inc. LLC Breaking earth’s hold : activity journal. TX0005827540 8/12/2003 Delta Education, LLC Bubble science : activity guide. TX0004406454 11/1/1996 TX0005827624 8/12/2003 Delta Education, Inc. LLC Bubble science : activity journal. TX0004406453 11/1/1996 TX0005827633 8/12/2003 Delta Education, Inc. LLC Butterflies and moths : DSM II teacher’s guide. TX0004440180 1/9/1997 Delta Education, Inc. Chemical interactions : teacher’s guide. TX0000000000 2/27/1995 TX0005914936 2/10/2004 Delta Education, Inc. Classroom plants LLC Charge it! static electricity : activity guide. TX0005827625 8/12/2003 Delta Education, LLC Charge it! static electricity : activity journal. TX0005827636 8/12/2003 Delta Education, LLC Clear View—graphing : grades 5-8, teacher’s guide / editing Xxxx Xxxxxxxxx ; ill./art production Xxxxx Xxxxxxx: overhead transparencies, activity masters. TX0000000000 1/9/1997 TX0005876336 11/21/2003 Delta Education, Inc. Clay boats LLC Clear view of decimals : Delta project cards / Xxxxxxx X. Xxxxxactivities, Xxxxx X. Xxxxxmasters, visuals, applications. TX0000957850 8/11/1982 TX0005876337 11/21/2003 Delta Education, Inc. LLC Clear view of fractions : activities, masters, visuals, applications. TX0005866615 11/21/2003 Delta Education, LLC Clear view of percent : activities, masters, visuals, applications. TX0005876334 11/21/2003 Delta Education, LLC Clear view of personal checking : simulations, activities, masters, visuals / author, Xxxxx X. Xxxxxvisuals. TX0004406666 2/19/1997 TX0005876338 11/21/2003 Delta Education, Inc. Color and light LLC Clear view of tessellations : teacher’s guideactivities, masters, visuals. TX0004043757 2/27/1995 TX0005866614 11/21/2003 Delta Education, Inc. CommunitiesLLC Clear view ratio & proportion. TX0003593416 6/21/1993 Delta Education, Inc. Communities : teacher’s guide, level 5 / Xxxxxx X. Xxxxx, Xxxxxxx X. Xxxxx. TX0003690485 9/30/1993 Delta Education, Inc. Crystal creations : activity journal. TX0004406455 11/1/1996TX0005876330 11/21/2003