U.S. patent number D489,929 [Application Number D/168,742] was granted by the patent office on 2004-05-18 for air mattress sleeping bag. Invention is credited to Robert L. Sherk.
United States Patent | D489,929 |
Sherk | May 18, 2004 |
Inventors: | Sherk; Robert L. (Port Colborne, Ontario, CA) |
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Appl. No.: | D/168,742 |
Filed: | October 7, 2002 |
Current U.S. Class: | D6/604 |
Current International Class: | 0609 |
Field of Search: | ;D6/595,596,601,603,604,605 ;D21/809 ;5/15,417,419,413AM,420,630,631,633,634,636,644,645,652,653,654,655,655.3,706,710,713,727 |
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