U.S. patent number D620,035 [Application Number D/355,117] was granted by the patent office on 2010-07-20 for hole saw extension cylinder tool bit. Invention is credited to Robert O. Eades.
United States Patent | D620,035 |
Eades | July 20, 2010 |
Inventors: | Eades; Robert O. (Austin, TX) |
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Appl. No.: | D/355,117 |
Filed: | February 2, 2010 |
Current U.S. Class: | D15/139 |
Current International Class: | 1509 |
Field of Search: | ;D8/70 ;D15/138,139,140 ;125/20 ;408/36,69,75,79,80,81,82,97,103,104,105,110,200-225,703 |
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