Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8307911 | Torque system of power tool | Jung Kwan Kuo, Yen Shan Fang, Chin-Chiang Chen, Ching-Hsu Wu | 2012-11-13 |
| 7455574 | Locking system for a spindle of a power tool | Jung Kwan Kuo, Yen Shan Fang, Chin-Chiang Chen, Ching-Hsu Wu | 2008-11-25 |