Eldridge David G
USPTO Trademark & Patent Filings
Trademark applications and grants for Eldridge David G. Eldridge David G has 1 trademark applications. The latest application filed is for "PROENGINEERPORTAL"
| Patent Application | Date |
|---|---|
| Low noise hydraulic servo valve 4,050,476 - 05/277,455 Hayner , et al. September 27, 1 | 1977-09-27 |
| HYDRAULIC POWER SUPPLY SYSTEM 3,720,483 - 05/165,554 Hayner , et al. March 13, 1 | 1973-03-13 |
| BALL FLOW CONTROL VALVE 3,706,323 - 05/093,309 Hayner , et al. December 19, 1 | 1972-12-19 |
Mark Image Registration | Serial | Trademark Application Date |
|---|---|
"PROENGINEERPORTAL" 3605881 77565905 |
PROENGINEERPORTAL 2008-09-09 |
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