U.S. patent number D290,638 [Application Number 06/811,736] was granted by the patent office on 1987-06-30 for reverse osmosis water purifier. This patent grant is currently assigned to Water Resources International, Inc.. Invention is credited to Jerry M. Bishop.
United States Patent | D290,638 |
Bishop | June 30, 1987 |
Inventors: | Bishop; Jerry M. (Phoenix, AZ) |
---|---|
Assignee: | Water Resources International,
Inc. (Phoenix, AZ) |
Appl. No.: | 06/811,736 |
Filed: | December 20, 1985 |
Current U.S. Class: | D23/207 |
Field of Search: | ;D23/1,3,4 ;210/153,162-163,169,172,190-191,198.1,198.3,203,220,294-295,322,323.1-323.2,331 |
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D236829 | September 1975 | Berry, Jr. et al. |
D268866 | May 1983 | Desai et al. |
D273697 | May 1984 | Johnson et al. |
2238003 | April 1941 | Wilkinson |
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