U.S. patent number D342,431 [Application Number 07/881,565] was granted by the patent office on 1993-12-21 for device for adapting a sander to be a vacuum. Invention is credited to Leon Swigonski.
United States Patent | D342,431 |
Swigonski | December 21, 1993 |
Inventors: | Swigonski; Leon (Brooklyn, NY) |
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Appl. No.: | 07/881,565 |
Filed: | May 14, 1992 |
Current U.S. Class: | D8/70 |
Field of Search: | ;D8/61,70 ;51/17R,273,17MT |
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4102083 | July 1978 | Stern |
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4616449 | October 1986 | Marton |
4680895 | July 1987 | Roestenberg |
4766701 | August 1988 | Roestenberg |
4905420 | March 1990 | Flachenecker et al. |
4937984 | July 1990 | Taranto |
4967516 | November 1990 | Hoshino |
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