Yao, Celina
Patent Applications and Registrations
Patent applications and USPTO patent grants for Yao, Celina.The latest application filed is for "bolt dock for door lock".
- Yao, Celina - Nan Tou Hsien TW
| Patent | Date |
|---|---|
| Bolt Dock For Door Lock App 20040090072 - Yao, Celina | 2004-05-13 |
| Bolt dock for door lock Grant 6,733,050 - Yao May 11, 2 | 2004-05-11 |
| Electronic lock Grant 6,640,594 - Yao November 4, 2 | 2003-11-04 |
| Lock assembly allowing the handles thereof rotated by a large angle Grant 6,085,561 - Yao July 11, 2 | 2000-07-11 |
| Electronic lock Grant 5,960,656 - Yao October 5, 1 | 1999-10-05 |
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