U.S. patent number D324,474 [Application Number 07/112,139] was granted by the patent office on 1992-03-10 for gypsum board installation tool. Invention is credited to Richard M. Killins.
United States Patent | D324,474 |
Killins | March 10, 1992 |
Inventors: | Killins; Richard M. (West Monroe, LA) |
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Appl. No.: | 07/112,139 |
Filed: | October 23, 1987 |
Current U.S. Class: | D8/88 |
Field of Search: | ;D8/88,51,14 ;30/339 |
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