U.S. patent number D606,167 [Application Number D/328,863] was granted by the patent office on 2009-12-15 for check valve. This patent grant is currently assigned to PGI International, Ltd.. Invention is credited to Spencer M. Nimberger.
United States Patent | D606,167 |
Nimberger | December 15, 2009 |
Inventors: | Nimberger; Spencer M. (Houston, TX) |
---|---|
Assignee: | PGI International, Ltd.
(Houston, TX) |
Appl. No.: | D/328,863 |
Filed: | December 3, 2008 |
Current U.S. Class: | D23/233 |
Current International Class: | 2301 |
Field of Search: | ;D23/233-237,244-249,259,260,262 ;137/15.18,15.19,218,356,512.4,512.5,515,515.5,515.7,527,527.8,554,843,844,846,859,883 ;251/25,331 ;D24/110.6,112,129 ;128/203.11,204.25,205.11,205.24,206.15,207.16 |
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