U.S. patent number D388,149 [Application Number D/062,999] was granted by the patent office on 1997-12-23 for mechanical trigger lock. Invention is credited to F. Richard Langner.
United States Patent | D388,149 |
Langner | December 23, 1997 |
Inventors: | Langner; F. Richard (Scottsdale, AZ) |
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Appl. No.: | D/062,999 |
Filed: | November 19, 1996 |
Current U.S. Class: | D22/108; D22/100; D22/199 |
Current International Class: | 2201 |
Field of Search: | ;D22/100,108,199 ;42/70.06,70.07 ;70/201,202 |
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3732641 | May 1973 | Adajian |
3861069 | January 1975 | Heurlen |
4050662 | September 1977 | Pickering |
4825576 | May 1989 | Troncoso et al. |
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