U.S. patent number D397,644 [Application Number D/077,588] was granted by the patent office on 1998-09-01 for walker. Invention is credited to Karl J. Douglass.
United States Patent | D397,644 |
Douglass | September 1, 1998 |
Inventors: | Douglass; Karl J. (Doylestown, PA) |
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Appl. No.: | D/077,588 |
Filed: | October 6, 1997 |
Current U.S. Class: | D12/130 |
Current International Class: | 1212 |
Field of Search: | ;D12/128,130 ;135/67,66,65,71,72,73,76 ;297/5,6 ;482/66 |
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