U.S. patent number D422,475 [Application Number D/107,221] was granted by the patent office on 2000-04-11 for screw driver handle. Invention is credited to Yung Yuan Su.
United States Patent | D422,475 |
Su | April 11, 2000 |
Inventors: | Su; Yung Yuan (Gang San Town, Kaoshiung Hsien, TW) |
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Appl. No.: | D/107,221 |
Filed: | July 1, 1999 |
Current U.S. Class: | D8/83; D8/107 |
Current International Class: | 0804 |
Field of Search: | ;D8/82,83,84,85,86,87,107 ;81/436,437,438,439 |
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