Coplin; John F.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Coplin; John F..The latest application filed is for "gas turbine engine power unit".
- Coplin; John F. - Derby GB2
- Coplin; John F. - Duffield GB2
| Patent | Date |
|---|---|
| Gas turbine engine power unit Grant 5,182,904 - Coplin February 2, 1 | 1993-02-02 |
| Low drag surface Grant 4,955,565 - Coplin September 11, 1 | 1990-09-11 |
| Turbofan gas turbine engine Grant 4,827,712 - Coplin May 9, 1 | 1989-05-09 |
| Fluid propulsion engine with flow exit control device Grant 4,793,134 - Coplin , et al. December 27, 1 | 1988-12-27 |
| Rotor blade for a gas turbine engine Grant 4,484,859 - Pask , et al. November 27, 1 | 1984-11-27 |
| Turbine Grant 4,428,713 - Coplin , et al. January 31, 1 | 1984-01-31 |
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