Yang; Guimo
Patent Applications and Registrations
Patent applications and USPTO patent grants for Yang; Guimo.The latest application filed is for "locking drill chuck".
- Yang; Guimo - Wendeng CN
- Yang; Guimo - Shandong Province CN
- Yang; Guimo - Wendeng City CN
- Yang; Guimo - Wendeng Shandong CN
- Yang; Guimo - Manshan Wendeng CN
| Patent | Date |
|---|---|
| Locking drill chuck Grant 7,654,539 - Yang , et al. February 2, 2 | 2010-02-02 |
| Chuck Grant 7,296,803 - Yang , et al. November 20, 2 | 2007-11-20 |
| Locking drill chuck Grant 7,249,770 - Yang , et al. July 31, 2 | 2007-07-31 |
| Locking drill chuck App 20070013150 - Yang; Guimo ; et al. | 2007-01-18 |
| Self-locking drill chuck App 20060261563 - Yang; Guimo ; et al. | 2006-11-23 |
| Hammerlock chuck Grant 7,128,324 - Yang , et al. October 31, 2 | 2006-10-31 |
| Locking drill chuck Grant 6,991,238 - Yang , et al. January 31, 2 | 2006-01-31 |
| Hammerlock chuck App 20050161890 - Yang, Guimo ; et al. | 2005-07-28 |
| Locking drill chuck App 20050023776 - Yang, Guimo ; et al. | 2005-02-03 |
| Locking drill chuck App 20050023775 - Yang, Guimo ; et al. | 2005-02-03 |
| Hammerlock chuck Grant 6,848,691 - Yang , et al. February 1, 2 | 2005-02-01 |
| Chuck App 20040217558 - Yang, Guimo ; et al. | 2004-11-04 |
| Hammerlock chuck App 20030107190 - Yang, Guimo ; et al. | 2003-06-12 |
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