Common use of Patent No Clause in Contracts

Patent No. Australia 29377/89 Granted 627,443 Canada 587,885 Granted 1,338,807 Europe EP 89901763.6 Granted EP/0396612 Austria EP 89901763.6 Granted EP/0396612 Belgium EP 89901763.6 Granted EP/0396612 France EP 89901763.6 Granted EP/0396612 Germany EP 89901783.6 Granted EP/0396612 Italy EP 89901763.6 Granted EP/0396612 Luxembourg EP 89901763.6 Granted EP/0396612 Netherlands EP 89901763.6 Granted EP/0396612 Sweden EP 89901763.6 Granted EP/0396612 Switzerland/Liechtenstein EP 89901763.6 Granted EP/0396612 United Kingdom EP 69901763.6 Granted EP/0396612

Patent No. Australia 29377/89 23244/88 Issued 632,462 Austria EP 88907510.7 Granted 627,443 EP/0371998 Belgium EP 88907510.7 Granted EP/0371998 Canada 587,885 Granted 1,338,807 572,398 Pending Denmark 192/90 Pending Europe EP 89901763.6 88907510.7 Granted EP/0396612 Austria EP/0371998 Europe EP 89901763.6 95119798.7 Granted EP/0396612 Belgium EP 89901763.6 Granted EP/0396612 EP/0731167 France EP 89901763.6 88907510.7 Granted EP/0396612 EP/0371998 Germany EP 89901783.6 88907510.7 Granted EP/0396612 EP/0371998 Italy EP 89901763.6 88907510.7 Granted EP/0396612 EP/0371998 Japan 506481/88 Xxxxxxd 2991720 Luxembourg EP 89901763.6 88907510.7 Granted EP/0396612 EP/0371998 Netherlands EP 89901763.6 88907510.7 Granted EP/0396612 EP/0371998 Sweden EP 89901763.6 88907510.7 Granted EP/0396612 Switzerland/EP/0371998 Switzerland/ Liechtenstein EP 89901763.6 88907510.7 Granted EP/0396612 EP/0371998 United Kingdom EP 69901763.6 88907510.7 Granted EP/0396612EP/0371998 Europe EP 93100041.8 Granted EP/0550400 -25-

Patent No. Australia 29377/89 23244/88 Issued 632,462 Austria EP 88907510.7 Granted 627,443 EP/0371998 Belgium EP 88907510.7 Granted EP/0371998 Canada 587,885 572,398 Granted 1,338,807 1,341,235 Denmark 192/90 Pending Euroxx XX 00000000.7 Granted EP/0371998 Europe EP 89901763.6 95119798.7 Granted EP/0396612 Austria EP 89901763.6 Granted EP/0396612 Belgium EP 89901763.6 Granted EP/0396612 EP/0731167 France EP 89901763.6 88907510.7 Granted EP/0396612 EP/0371998 Germany EP 89901783.6 88907510.7 Granted EP/0396612 EP/0371998 Italy EP 89901763.6 88907510.7 Granted EP/0396612 EP/0371998 Japan 506481/88 Granxxx 0001720 Luxembourg EP 89901763.6 88907510.7 Granted EP/0396612 EP/0371998 Netherlands EP 89901763.6 88907510.7 Granted EP/0396612 EP/0371998 Sweden EP 89901763.6 88907510.7 Granted EP/0396612 Switzerland/EP/0371998 Switzerland/ Liechtenstein EP 89901763.6 88907510.7 Granted EP/0396612 United Kingdom EP 69901763.6 Granted EP/0396612EP/0371998 -2-

Patent No. Australia 29377/89 Granted 627,443 Canada 587,885 Granted 1,338,807 Europe EP 89901763.6 Granted EP/0396612 Austria EP 89901763.6 Granted EP/0396612 Belgium EP 89901763.6 Granted EP/0396612 France EP 89901763.6 Granted EP/0396612 Germany EP 89901783.6 Granted EP/0396612 Italy EP 89901763.6 Granted EP/0396612 Luxembourg EP 89901763.6 Granted EP/0396612 Netherlands EP 89901763.6 Granted EP/0396612 Sweden EP 89901763.6 Granted EP/0396612 Switzerland/Switzerland/ Liechtenstein EP 89901763.6 Granted EP/0396612 United Kingdom EP 69901763.6 Granted EP/0396612

Patent No. Australia 29377/89 23244/88 Issued 632,462 Austria EP 88907510.7 Granted 627,443 EP/0371998 Belgium EP 88907510.7 Granted EP/0371998 Canada 587,885 Granted 1,338,807 572,398 Pending Denmark 192/90 Pending Europe EP 89901763.6 88907510.7 Granted EP/0396612 Austria EP/0371998 Europe EP 89901763.6 95119798.7 Granted EP/0396612 Belgium EP 89901763.6 Granted EP/0396612 EP/0731167 France EP 89901763.6 88907510.7 Granted EP/0396612 EP/0371998 Germany EP 89901783.6 88907510.7 Granted EP/0396612 EP/0371998 Italy EP 89901763.6 88907510.7 Granted EP/0396612 EP/0371998 Japan 506481/88 Xxxxxxx 2991720 Luxembourg EP 89901763.6 88907510.7 Granted EP/0396612 EP/0371998 Netherlands EP 89901763.6 88907510.7 Granted EP/0396612 EP/0371998 Sweden EP 89901763.6 88907510.7 Granted EP/0396612 Switzerland/EP/0371998 Switzerland/ Liechtenstein EP 89901763.6 88907510.7 Granted EP/0396612 EP/0371998 United Kingdom EP 69901763.6 88907510.7 Granted EP/0396612EP/0371998 Europe EP 93100041.8 Granted EP/0550400 -1-