Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9623572 | Cutter assembly having a screw-locking device | Cheng-Yu Pai, Ching-Li Chen, Chou-Chieh Tsai | 2017-04-18 |
| 9457483 | Cutter assembly having dual locking effect | Chien-Lung Wu, Chih-Wei Hsu, Cheng-Yu Pai, Chi-Cheng Hung | 2016-10-04 |