EXHIBIT 10.5 November 15, 2004 Mr. Morris H. Wheeler Chief Executive Officer Cohesant Technologies Inc. 5845 West 82nd Street Indianapolis, IN 46278 Dear Morris: This letter confirms that, pursuant to action of the Board of Directors on November 14,...

                                                                    EXHIBIT 10.5

                                November 15, 2004

Xx. Xxxxxx X. Xxxxxxx
Chief Executive Officer
Cohesant Technologies Inc.
0000 Xxxx 00xx Xxxxxx
Xxxxxxxxxxxx, XX 00000

Dear Xxxxxx:

      This letter confirms that, pursuant to action of the Board of Directors on
November 14, 2004, your Base Salary (as defined in the Employment and
Confidentiality Agreement Dated December 1, 2001) was increased to $175,000 per
annum, effective December 1, 2004.

                                            Very truly yours,

                                            /s/ Xxxxxx X. Xxxxxxx
                                            -------------------------
                                            Xxxxxx X. Xxxxxxx,
                                            Chairman of the Board of Directors

Acknowledged this 15 day of November, 2004.

/s/ Xxxxxx X. Xxxxxxx
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Xxxxxx X. Xxxxxxx