U.S. patent number D329,277 [Application Number 07/450,728] was granted by the patent office on 1992-09-08 for urethane foam gun. Invention is credited to Donald L. Kahmke, Donald R. Kahmke, David G. Keske.
United States Patent | D329,277 |
Keske , et al. | September 8, 1992 |
Inventors: | Keske; David G. (St. Louis, MO), Kahmke; Donald L. (St. Louis, MO), Kahmke; Donald R. (St. Louis, MO) |
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Appl. No.: | 07/450,728 |
Filed: | December 14, 1989 |
Current U.S. Class: | D23/226 |
Field of Search: | ;D23/213,223-227 ;222/1,132,135,137,141,145,148-149,485,513 ;239/112-118,414-415,525-528 ;D8/29.1 |
D285960 | September 1986 | Keske |
4159079 | June 1979 | Phillips, Jr. |
4262284 | April 1981 | Stitzer et al. |
4377256 | March 1983 | Commette et al. |
4399930 | August 1983 | Harding |
4550863 | November 1985 | Farrey |
4838458 | June 1989 | Davidson |
4993596 | February 1991 | Brown |
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