U.S. patent number D434,501 [Application Number D/119,209] was granted by the patent office on 2000-11-28 for dual airway mouth guard. Invention is credited to Daniel J. Redhage.
United States Patent | D434,501 |
Redhage | November 28, 2000 |
Inventors: | Redhage; Daniel J. (Burien, WA) |
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Appl. No.: | D/119,209 |
Filed: | February 25, 2000 |
Current U.S. Class: | D24/181 |
Current International Class: | 2401 |
Field of Search: | ;D24/180,181 ;128/861,862,846,848,859,860 ;602/902 ;433/6,37,41-48,215,229 |
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5365945 | November 1994 | Halstrom |
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5868138 | February 1999 | Halstrom |
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