Workman; Kurt
Patent Applications and Registrations
Patent applications and USPTO patent grants for Workman; Kurt.The latest application filed is for "retention mechanism for a helmet".
- Workman; Kurt - Santa Cruz CA
| Patent | Date |
|---|---|
| Retention mechanism for a helmet Grant 6,425,142 - Sasaki , et al. July 30, 2 | 2002-07-30 |
| Retention mechanism for a helmet App 20010022005 - Sasaki, Steven ; et al. | 2001-09-20 |
| Retention mechanism for a helmet Grant 6,226,802 - Sasaki , et al. May 8, 2 | 2001-05-08 |
| Rear portion of a bicycle helmet Grant D429,036 - Egger , et al. August 1, 2 | 2000-08-01 |
| Protective bicycle helmet having a ventilated rear support structure Grant 6,055,675 - Egger , et al. May 2, 2 | 2000-05-02 |
| Bicycle helmet Grant D411,338 - Egger , et al. June 22, 1 | 1999-06-22 |
| Bicycle helmet Grant D410,304 - Egger , et al. May 25, 1 | 1999-05-25 |
| Protective helmet with improved retention system having a rear stabilizer Grant 5,794,272 - Workman , et al. August 18, 1 | 1998-08-18 |
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