Bierwith; Robert
Patent Applications and Registrations
Patent applications and USPTO patent grants for Bierwith; Robert.The latest application filed is for "cam action locking assembly".
- Bierwith; Robert - Berkeley CA
| Patent | Date |
|---|---|
| Cam action locking assembly Grant 7,121,022 - Bierwith October 17, 2 | 2006-10-17 |
| Cam action locking assembly App 20050229443 - Bierwith, Robert | 2005-10-20 |
| Wedge-locking system and excavation bucket assembly with wedge-locking system Grant 6,668,472 - Bierwith December 30, 2 | 2003-12-30 |
| Wedge-locking system and excavation bucket assembly with wedge-locking system App 20030037467 - Bierwith, Robert | 2003-02-27 |
| Tooth assembly for excavation bucket Grant 6,032,390 - Bierwith March 7, 2 | 2000-03-07 |
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