U.S. patent number D324,511 [Application Number 07/420,126] was granted by the patent office on 1992-03-10 for switch unit for a garage door operator or the like. This patent grant is currently assigned to Allister Manufacturing Company, Inc.. Invention is credited to Kim E. Burrichter, Charles P. Coggins, John F. Ginther, David C. Guthrie, Mark K. Lucchi.
United States Patent | D324,511 |
Ginther , et al. | March 10, 1992 |
Inventors: | Ginther; John F. (North Wales, PA), Burrichter; Kim E. (Upper Darby, PA), Coggins; Charles P. (Downingtown, PA), Guthrie; David C. (Chester Springs, PA), Lucchi; Mark K. (West Chester, PA) |
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Assignee: | Allister Manufacturing Company,
Inc. (West Chester, PA) |
Appl. No.: | 07/420,126 |
Filed: | October 11, 1989 |
Current U.S. Class: | D13/170; D13/171; D8/353 |
Field of Search: | ;D13/170,171 ;D8/353 ;175/55,66 ;220/241 ;200/329,341,342 |
D156393 | December 1949 | Wisnewsky |
D211950 | August 1968 | Driscoll |
D303248 | September 1989 | Fenne |
2012875 | August 1935 | Guett |
2363854 | November 1944 | Bierenfeld |
3432611 | March 1969 | Gaines et al. |
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