Issued Patents 2005
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6948380 | Torque-indicating wrench | Da-Jeng Yao, Tsong-Li Lee, Chia-Ju Wu, Han-Tai Fan | 2005-09-27 |
| 6928885 | Torque-indicating wrench | Da-Jeng Yao | 2005-08-16 |
| 6877186 | Swingable handle for a hand tool | — | 2005-04-12 |