Grapes; David B.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Grapes; David B..The latest application filed is for "manual marine winch with self releasing handle".
- Grapes; David B. - Pittsburgh PA
- Grapes; David B - Pittsburgh PA
| Patent | Date |
|---|---|
| Manual Marine Winch With Self Releasing Handle App 20120068132 - Grapes; David B. ; et al. | 2012-03-22 |
| Single stack manual marine winch Grant 7,543,800 - Grapes , et al. June 9, 2 | 2009-06-09 |
| Marine winch with winch-line engaging roller Grant 7,478,795 - Grapes , et al. January 20, 2 | 2009-01-20 |
| Marine Winch with Winch-Line Engaging Roller App 20080061277 - Grapes; David B. ; et al. | 2008-03-13 |
| Single Stack Manual Marine Winch App 20080048162 - Grapes; David B. ; et al. | 2008-02-28 |
| Manual marine winch internal gearing Grant 7,159,852 - Dow , et al. January 9, 2 | 2007-01-09 |
| Manual marine winch with lead in webbing strap Grant 6,938,881 - Grapes September 6, 2 | 2005-09-06 |
| Manual marine winch internal gearing App 20050133772 - Dow, Justin E. ; et al. | 2005-06-23 |
| Manual winch with dual locking dogs Grant 6,726,182 - Topping, Jr. , et al. April 27, 2 | 2004-04-27 |
| Winch with safe load release system Grant 6,572,083 - Topping, Jr. , et al. June 3, 2 | 2003-06-03 |
| Manual marine winch with lead in webbing strap App 20030057409 - Grapes, David B. | 2003-03-27 |
| Manual winch with dual locking dogs App 20020166999 - Topping, Richard A. JR. ; et al. | 2002-11-14 |
| Manual swivel winch with open bottom Grant 5,947,450 - Grapes September 7, 1 | 1999-09-07 |
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