U.S. patent number D637,775 [Application Number D/345,408] was granted by the patent office on 2011-05-10 for miniature backpack vacuum cleaner. Invention is credited to Jujuan Penrow.
United States Patent | D637,775 |
Penrow | May 10, 2011 |
Inventors: | Penrow; Jujuan (Evans, GA) |
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Appl. No.: | D/345,408 |
Filed: | October 15, 2009 |
Current U.S. Class: | D32/21 |
Current International Class: | 1505 |
Field of Search: | ;D32/17-18,21,23-24,31 ;15/327,1,327.2,327.4-327.7,344,353,320-321,412 |
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