U.S. patent number D427,949 [Application Number D/108,753] was granted by the patent office on 2000-07-11 for wheelchair with vertically adjustable seat. Invention is credited to Phillip E. Schlangen.
United States Patent | D427,949 |
Schlangen | July 11, 2000 |
Inventors: | Schlangen; Phillip E. (Minneapolis, MN) |
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Appl. No.: | D/108,753 |
Filed: | August 4, 1999 |
Current U.S. Class: | D12/131; D12/128 |
Current International Class: | 1212 |
Field of Search: | ;D12/128,131,133 ;280/250.1,304.1,43.23,249 ;297/DIG.4 ;5/620 |
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