U.S. patent number D274,601 [Application Number 06/347,901] was granted by the patent office on 1984-07-10 for pipe clamp hanger. Invention is credited to Fred Helmle.
United States Patent | D274,601 |
Helmle | July 10, 1984 |
Inventors: | Helmle; Fred (Little Suamico, WI) |
---|---|
Appl. No.: | 06/347,901 |
Filed: | February 11, 1982 |
Current U.S. Class: | D8/380; D8/356 |
Field of Search: | ;D8/380,396,373,349,356,383 ;248/65,67.7,68R,70,58,49 |
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Simmons Hardware Catalog, .RTM.1939, p. 1818; adjustable shelf supports, Items BB 233/24, 36, 48.. |
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