U.S. patent number D315,790 [Application Number 07/051,059] was granted by the patent office on 1991-03-26 for heat register. Invention is credited to Juergen R. Koessler.
United States Patent | D315,790 |
Koessler | March 26, 1991 |
Inventors: | Koessler; Juergen R. (Langley, British Columbia, CA) |
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Appl. No.: | 07/051,059 |
Filed: | May 18, 1987 |
Current U.S. Class: | D23/388 |
Field of Search: | ;D23/388,389,392,324,325 ;98/121.1,103,41.3 |
1559376 | October 1925 | Riker |
2201830 | May 1940 | Hoffer et al. |
2308262 | January 1943 | Beil |
3391629 | July 1968 | Snell |
3403615 | October 1968 | Dayus |
3426668 | February 1969 | Hofmeister et al. |
3777650 | December 1973 | Wenig |
Automotive News, Apr. 8, 1963, p. 18, Climatic Air Imperial Auto Air conditioner, bottom right side of page. . Heating & Air Conditioning Contractor, 10/68, p. 2, Shallow-Valve Floor Diffuser, middle top of page.. |
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