U.S. patent number D376,777 [Application Number D/043,711] was granted by the patent office on 1996-12-24 for dual action walker. Invention is credited to Clive G. Stevens.
United States Patent | D376,777 |
Stevens | December 24, 1996 |
Inventors: | Stevens; Clive G. (Taichung City, TW) |
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Appl. No.: | D/043,711 |
Filed: | September 11, 1995 |
Current U.S. Class: | D12/130 |
Field of Search: | ;D12/130,128 ;280/47.3,755,87.051 ;482/68,67 ;135/66,67,72,74 ;472/25,135 |
2656874 | October 1953 | Robb |
2855024 | October 1958 | Robb |
4211309 | July 1980 | Ruggiero |
4700730 | October 1987 | Samuelson et al. |
4867438 | September 1989 | Steckert et al. |
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