Terhune; Ralph D.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Terhune; Ralph D..The latest application filed is for "filter assembly with lockable lug means".
- Terhune; Ralph D. - Broken Arrow OK
- Terhune; Ralph D. - Tulsa OK
| Patent | Date |
|---|---|
| Filter assembly with lockable lug means Grant 5,045,192 - Terhune September 3, 1 | 1991-09-03 |
| Filter assembly with lockable lug means Grant 4,871,455 - Terhune , et al. October 3, 1 | 1989-10-03 |
| Dampener roller apparatus Grant 4,759,284 - Haggard , et al. July 26, 1 | 1988-07-26 |
| System for separating hydrocarbons from water Grant 3,878,094 - Conley , et al. April 15, 1 | 1975-04-15 |
| Emulsion breaker Grant 3,865,732 - Terhune , et al. February 11, 1 | 1975-02-11 |
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