U.S. patent number D318,366 [Application Number 07/424,572] was granted by the patent office on 1991-07-23 for arm cushion for a crutch. Invention is credited to Lee M. Goldstein, Daniel A. Kniska.
United States Patent | D318,366 |
Goldstein , et al. | July 23, 1991 |
Inventors: | Goldstein; Lee M. (Dallas, TX), Kniska; Daniel A. (Dallas, TX) |
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Appl. No.: | 07/424,572 |
Filed: | October 20, 1989 |
Current U.S. Class: | D3/10; D3/8 |
Field of Search: | ;D3/3-17 ;135/68,72,79,73,76,911 |
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1312030 | August 1919 | McGoldrick |
1318505 | October 1919 | Rabczynski |
1375380 | April 1921 | Pease |
1401305 | December 1921 | Beecroft |
1524527 | January 1925 | Lanzillotta |
1565582 | December 1925 | Moore |
1673609 | June 1928 | Weis |
2362642 | November 1944 | Lamb |
2569739 | October 1951 | Thunberg |
3269400 | August 1966 | Smith et al. |
4711261 | December 1987 | Rosenberg |
Futuro Patient Aids Catalog, 3/1983, p. 7-Crutch Underarm Pads, #298600 at bottom right.. |
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