Eekhoff; Trent A.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Eekhoff; Trent A..The latest application filed is for "shock absorbing seat".
- Eekhoff; Trent A. - Grand Rapids MI
| Patent | Date |
|---|---|
| Seat suspension Grant 7,837,273 - Ratza , et al. November 23, 2 | 2010-11-23 |
| Lift-up cleat Grant RE40,805 - Whitley, II , et al. June 30, 2 | 2009-06-30 |
| Seat, suspension, bolster and shell Grant 7,523,988 - Ratza , et al. April 28, 2 | 2009-04-28 |
| Shock absorbing seat Grant 6,648,419 - Ratza , et al. November 18, 2 | 2003-11-18 |
| Shock absorbing seat Grant 6,644,751 - Ratza , et al. November 11, 2 | 2003-11-11 |
| Shock absorbing seat App 20030107257 - Ratza, Clifton J. ; et al. | 2003-06-12 |
| Boat chair Grant D465,360 - Ratza , et al. November 12, 2 | 2002-11-12 |
| Flip-up bolster chair Grant 6,474,738 - Ratza , et al. November 5, 2 | 2002-11-05 |
| Shock absorbing seat App 20020079733 - Ratza, Clifton J. ; et al. | 2002-06-27 |
| Shock absorbing seat Grant 6,357,830 - Ratza , et al. March 19, 2 | 2002-03-19 |
| Handle for an upright vacuum cleaner Grant D430,369 - Medema , et al. August 29, 2 | 2000-08-29 |
| Upright vacuum cleaner Grant D429,041 - Medema , et al. August 1, 2 | 2000-08-01 |
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