U.S. patent number D274,404 [Application Number 06/344,197] was granted by the patent office on 1984-06-26 for wing nut and petcock wrench. Invention is credited to David T. Adler.
United States Patent | D274,404 |
Adler | June 26, 1984 |
Inventors: | Adler; David T. (Huntington, NY) |
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Appl. No.: | 06/344,197 |
Filed: | January 29, 1982 |
Current U.S. Class: | D8/28 |
Field of Search: | ;D8/21,27,28,29 ;81/177D,177ST,121R |
D125438 | February 1941 | Bishop |
D248535 | July 1978 | Sjostrom et al. |
D259092 | May 1981 | Rolnick |
D261606 | November 1981 | Fargo et al. |
662966 | December 1900 | Robertson |
1746387 | February 1930 | Faw |
3276299 | October 1966 | Halburian |
4125913 | November 1978 | Lewis |
Wheelgoods Corporation, "Cyclology", p. 93, Spoke Wrench No. 1920 at right center of page.. |
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