U.S. patent number D479,963 [Application Number D/173,323] was granted by the patent office on 2003-09-30 for folding hex key. Invention is credited to Hungming Chang.
United States Patent | D479,963 |
Chang | September 30, 2003 |
Inventors: | Chang; Hungming (Junghe City, Taipei, TW) |
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Appl. No.: | D/173,323 |
Filed: | December 27, 2002 |
Current U.S. Class: | D8/21; D8/105 |
Current International Class: | 0805 |
Field of Search: | ;D8/14,55,83,93-94,104-105,21-23,85,87,99,107 ;7/118,128,131,135 ;30/169,123,154-155,186,191 ;81/440 |
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