U.S. patent number D283,639 [Application Number 06/488,422] was granted by the patent office on 1986-04-29 for set of molded quadrant base dental casts with pedestal. This patent grant is currently assigned to KV33 Corporation. Invention is credited to Ronald E. Huffman.
United States Patent | D283,639 |
Huffman | April 29, 1986 |
Inventors: | Huffman; Ronald E. (Tucson, AZ) |
---|---|
Assignee: | KV33 Corporation (Tucson,
AZ) |
Appl. No.: | 06/488,422 |
Filed: | April 25, 1983 |
Current U.S. Class: | D24/181 |
Field of Search: | ;D24/4,5,8,10,16 ;433/54-67,34-36,213 ;249/54,119-125 ;264/313,16-18 |
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3823476 | July 1974 | Hudson et al. |
4030197 | June 1977 | Lenck et al. |
4189835 | February 1980 | Seldin |
4265619 | May 1981 | Lucki et al. |
4319875 | March 1982 | Beckwith |
4481162 | November 1984 | Huffman |
4496320 | January 1985 | Hwang et al. |
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