U.S. patent number D571,513 [Application Number D/279,957] was granted by the patent office on 2008-06-17 for vacuum cleaner. This patent grant is currently assigned to Shop Vac Corporation. Invention is credited to Robert L. Crevling, Jr., John Griffin, Li Liu.
United States Patent | D571,513 |
Griffin , et al. | June 17, 2008 |
Inventors: | Griffin; John (Phoenix, AZ), Crevling, Jr.; Robert L. (Williamsport, PA), Liu; Li (South Williamsport, PA) |
---|---|
Assignee: | Shop Vac Corporation
(Williamsport, PA) |
Appl. No.: | D/279,957 |
Filed: | May 11, 2007 |
Current U.S. Class: | D32/21 |
Current International Class: | 1505 |
Field of Search: | ;D32/21,23-24,31,15-16 ;D23/225 ;15/320-321,353,323,327.1-327.7,329,339,412,340.2,344,347 ;55/DIG.2 |
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