Sargent; Charles L.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Sargent; Charles L..The latest application filed is for "large capacity boat lift".
- Sargent; Charles L. - Bonita Springs FL
- Sargent; Charles L. - Ann Arbor MI
- Sargent; Charles L. - Ypsilanti MI
| Patent | Date |
|---|---|
| Large capacity boat lift Grant 6,709,197 - Sargent , et al. March 23, 2 | 2004-03-23 |
| Synchronously driven, multiple cable boat lift Grant 6,640,736 - McLaughlin , et al. November 4, 2 | 2003-11-04 |
| Solar powered boat lift Grant 6,543,375 - Sargent , et al. April 8, 2 | 2003-04-08 |
| Single motor boat lift having horizontally and longitudinally driven cables Grant 6,230,639 - McLaughlin , et al. May 15, 2 | 2001-05-15 |
| Positive drive boat lift Grant 5,915,877 - Sargent , et al. June 29, 1 | 1999-06-29 |
| Adjustable clamping assembly Grant 5,833,417 - Sargent , et al. November 10, 1 | 1998-11-10 |
| Apparatus for clamping eyeglasses Grant 5,363,532 - Sargent November 15, 1 | 1994-11-15 |
| Recreational vehicle toilet with foot pedal flush Grant 5,060,320 - Sargent , et al. October 29, 1 | 1991-10-29 |
| Universal recreational vehicle toilet system with removable holding tank Grant 5,031,249 - Sargent July 16, 1 | 1991-07-16 |
| Toilet with pulsed flow of flush water Grant 5,010,602 - Sargent , et al. April 30, 1 | 1991-04-30 |
| Recreational vehicle use system particularly tank installation Grant 4,974,899 - Sargent December 4, 1 | 1990-12-04 |
| Toilet system with removable holding tank for recreational vehicles Grant 4,892,349 - Sargent January 9, 1 | 1990-01-09 |
| Telescoping drain assembly for recreational vehicles Grant 4,779,650 - Sargent , et al. October 25, 1 | 1988-10-25 |
| Self-contained RV sanitary systems Grant 4,776,631 - Sargent , et al. October 11, 1 | 1988-10-11 |
| Portable toilet holding tank spout Grant 4,769,860 - Sargent , et al. September 13, 1 | 1988-09-13 |
| Portable toilet enclosure Grant 4,751,753 - Sargent , et al. June 21, 1 | 1988-06-21 |
| Portable toilet holding tank spout Grant 4,641,383 - Sargent , et al. February 10, 1 | 1987-02-10 |
| Bottle Grant D287,937 - Sargent , et al. January 27, 1 | 1987-01-27 |
| Portable toilet facility Grant 4,305,164 - Sargent , et al. December 15, 1 | 1981-12-15 |
| Toilet Grant D256,722 - Sargent , et al. September 2, 1 | 1980-09-02 |
| Portable toilet Grant 4,217,668 - Sargent , et al. August 19, 1 | 1980-08-19 |
| Support stand for a self-contained toilet apparatus Grant 3,904,217 - Sargent , et al. September 9, 1 | 1975-09-09 |
| Waste disposal system and method Grant 3,882,799 - Sargent , et al. May 13, 1 | 1975-05-13 |
| Recirculating Toilet With Filter Screen Assembly Grant 3,751,735 - Sargent , et al. August 14, 1 | 1973-08-14 |
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