U.S. patent number D555,671 [Application Number D/255,128] was granted by the patent office on 2007-11-20 for straw chopper. Invention is credited to Ludwig Bretzler.
United States Patent | D555,671 |
Bretzler | November 20, 2007 |
Inventors: | Bretzler; Ludwig (Ceysler, Ontario, CA) |
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Appl. No.: | D/255,128 |
Filed: | May 8, 2006 |
Current U.S. Class: | D15/13; D15/10 |
Current International Class: | 1503 |
Field of Search: | ;D15/10,13,21-26,127 ;460/13,42,8,73,85,68,111,112,150,901 ;56/16.6,DIG.5 ;239/650,668,680 ;241/101.71,101.74 |
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