Thompson; David Drake
Patent Applications and Registrations
Patent applications and USPTO patent grants for Thompson; David Drake.The latest application filed is for "check valve assembly".
- Thompson; David Drake - Greenville NC
| Patent | Date |
|---|---|
| Check valve assembly Grant 11,125,354 - Carmody , et al. September 21, 2 | 2021-09-21 |
| Check Valve Assembly App 20200025308 - Carmody; Colm M. ; et al. | 2020-01-23 |
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