U.S. patent number D578,310 [Application Number D/283,588] was granted by the patent office on 2008-10-14 for abrasive article with holes. This patent grant is currently assigned to 3M Innovative Properties Company. Invention is credited to Ehrich J. Braunschweig, Charles J. Studiner, IV.
United States Patent | D578,310 |
Braunschweig , et al. | October 14, 2008 |
Inventors: | Braunschweig; Ehrich J. (Woodbury, MN), Studiner, IV; Charles J. (Cottage Grove, MN) |
---|---|
Assignee: | 3M Innovative Properties
Company (St. Paul, MN) |
Appl. No.: | D/283,588 |
Filed: | August 17, 2007 |
Current U.S. Class: | D5/57; D8/90 |
Current International Class: | 0506 |
Field of Search: | ;D8/90 ;D5/1,2,3,11,12,15,30,47,56,57,58,60,62 ;451/446,526,527,538,539 ;428/43,99 ;D23/388 ;D14/441 |
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