U.S. patent number D383,378 [Application Number D/018,529] was granted by the patent office on 1997-09-09 for tapered threaded coupling. This patent grant is currently assigned to WFI International, Inc.. Invention is credited to Peter J. Badley, James Phillip Ellenberger, Joe A. Escobedo, Williams E. Goussen, Daniel T. Gutierrez, James W. Magee, Robert S. Schrader, James L. Snyder.
United States Patent | D383,378 |
Schrader , et al. | September 9, 1997 |
Inventors: | Schrader; Robert S. (Dallas, TX), Snyder; James L. (Houston, TX), Ellenberger; James Phillip (Spring, TX), Magee; James W. (Houston, TX), Badley; Peter J. (Houston, TX), Escobedo; Joe A. (Houston, TX), Gutierrez; Daniel T. (Houston, TX), Goussen; Williams E. (Houston, TX) |
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Assignee: | WFI International, Inc.
(Houston, TX) |
Appl. No.: | D/018,529 |
Filed: | February 9, 1994 |
Current U.S. Class: | D8/382; D23/262 |
Current International Class: | 0808 |
Field of Search: | ;D23/262,260,264,265 ;D8/382 ;285/334.2,341 |
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