U.S. patent number D672,683 [Application Number D/388,898] was granted by the patent office on 2012-12-18 for chin guard. This patent grant is currently assigned to Mine Safety Appliances Company. Invention is credited to Mark Hall, Robert Klotz, Rebecca Kreke.
United States Patent | D672,683 |
Klotz , et al. | December 18, 2012 |
Inventors: | Klotz; Robert (Jefferson Hills, PA), Kreke; Rebecca (Pittsburgh, PA), Hall; Mark (Spring Church, PA) |
---|---|
Assignee: | Mine Safety Appliances Company
(Cranberry Township, PA) |
Appl. No.: | D/388,898 |
Filed: | April 4, 2011 |
Current U.S. Class: | D11/122 |
Current International Class: | 2902 |
Field of Search: | ;D29/100,101.1,101.2,102,105,106,108,111,122 ;2/9,206,424,425,455,456,468 |
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