U.S. patent number D551,920 [Application Number D/240,110] was granted by the patent office on 2007-10-02 for lawn trimmer. Invention is credited to Shih-Hao Hsu.
United States Patent | D551,920 |
Hsu | October 2, 2007 |
Inventors: | Hsu; Shih-Hao (Taichung, TW) |
---|---|
Appl. No.: | D/240,110 |
Filed: | October 11, 2005 |
Current U.S. Class: | D8/7 |
Current International Class: | 0801 |
Field of Search: | ;D8/7 ;30/315 ;172/18 |
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www.step-n-edge.com, #1 Lawn Edger [online], Feb. 3, 2005. cited by examiner. |
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