U.S. patent number D538,313 [Application Number D/238,542] was granted by the patent office on 2007-03-13 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, Edward J. Woo.
United States Patent | D538,313 |
Braunschweig , et al. | March 13, 2007 |
Inventors: | Braunschweig; Ehrich J. (Woodbury, MN), Woo; Edward J. (Woodbury, MN), Studiner, IV; Charles J. (Cottage Grove, MN) |
---|---|
Assignee: | 3M Innovative Properties
Company (St. Paul, MN) |
Appl. No.: | D/238,542 |
Filed: | September 16, 2005 |
Current U.S. Class: | D15/126 |
Current International Class: | 1509 |
Field of Search: | ;D15/124,126,138,139 ;451/47,56,324,443,541,544,547,548-551 |
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