Issued Patents 2005
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D508387 | Cordless electric ratchet wrench | Chih-Hua Hsu, Chen-Chen Cheng | 2005-08-16 |
| 6915721 | Cordless ratchet wrench | Chih-Hua Hsu, Chen-Chen Cheng | 2005-07-12 |
| D506375 | Cordless electric ratchet wrench | Chih-Hua Hsu, Chen-Chen Cheng | 2005-06-21 |