Sargent; Frank T.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Sargent; Frank T..The latest application filed is for "double-acting trailer hitch".
- Sargent; Frank T. - Fort Myers FL
- Sargent; Frank T. - Naples FL
- Sargent; Frank T. - Ann Arbor MI
- Sargent; Frank T. - Nuneaton EN
| Patent | Date |
|---|---|
| Volume charge density measuring system Grant 6,586,949 - Sargent , et al. July 1, 2 | 2003-07-01 |
| Double-acting trailer hitch Grant 6,536,793 - Sargent March 25, 2 | 2003-03-25 |
| Double-acting trailer hitch App 20020036390 - Sargent, Frank T. | 2002-03-28 |
| Double acting trailer hitch Grant 6,299,191 - Sargent October 9, 2 | 2001-10-09 |
| Volume charge density measuring system Grant 5,945,831 - Sargent , et al. August 31, 1 | 1999-08-31 |
| Portable toilet facility Grant 4,305,164 - Sargent , et al. December 15, 1 | 1981-12-15 |
| Trailer hitch carriage Grant 4,253,679 - Sargent March 3, 1 | 1981-03-03 |
| Toilet Grant D256,722 - Sargent , et al. September 2, 1 | 1980-09-02 |
| Toilet Grant D255,597 - Sargent , et al. June 24, 1 | 1980-06-24 |
| Toilet apparatus Grant 4,185,340 - Sargent , et al. January 29, 1 | 1980-01-29 |
| Portable toilet with improved flush apparatus Grant 4,185,337 - Sargent , et al. January 29, 1 | 1980-01-29 |
| Portable toilet building Grant D250,350 - Sargent , et al. November 21, 1 | 1978-11-21 |
| Closure For Bottle Grant 3,727,784 - Sargent April 17, 1 | 1973-04-17 |
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