U.S. patent number D496,628 [Application Number D/186,155] was granted by the patent office on 2004-09-28 for ground traction increasing plate. Invention is credited to Chin-Fu Chiang.
United States Patent | D496,628 |
Chiang | September 28, 2004 |
Inventors: | Chiang; Chin-Fu (Tainan City, TW) |
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Appl. No.: | D/186,155 |
Filed: | July 9, 2003 |
Current U.S. Class: | D12/608 |
Current International Class: | 1215 |
Field of Search: | ;D12/217,400,608 ;15/215 ;152/208,221,225R ;238/14 ;280/163,164.1,848 |
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