Chiang; Shu Chi
Patent Applications and Registrations
Patent applications and USPTO patent grants for Chiang; Shu Chi.The latest application filed is for "ratchet tool".
- Chiang; Shu Chi - Taichung 43247 TW
- Chiang; Shu Chi - Taichung Hsien TW
| Patent | Date |
|---|---|
| Ratchet tool Grant 7,028,587 - Chiang April 18, 2 | 2006-04-18 |
| Ratchet tool having various tool members Grant 6,250,183 - Chiang June 26, 2 | 2001-06-26 |
| Ratchet screw driver Grant 6,148,696 - Chiang November 21, 2 | 2000-11-21 |
| Chuck device for power tool Grant 5,996,452 - Chiang December 7, 1 | 1999-12-07 |
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