U.S. patent number D452,011 [Application Number D/137,412] was granted by the patent office on 2001-12-11 for single airway mouth guard. Invention is credited to Daniel J. Redhage.
United States Patent | D452,011 |
Redhage | December 11, 2001 |
Inventors: | Redhage; Daniel J. (Burien, WA) |
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Appl. No.: | D/137,412 |
Filed: | February 19, 2001 |
Current U.S. Class: | D24/181 |
Current International Class: | 2401 |
Field of Search: | ;D24/181,180 ;128/861,862,846,848,859,860 ;602/902 ;433/6,37,41-48,315,229 |
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