Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6155742 | Coupling mechanism for interconnecting a rotatable connecting end of a support on a broaching machine and a bit holder | Ching-Yi Yang, Wen-Chou Chang, Te-Ming Kuo, Ping-Shun Chang, Ming-Yueh Ding | 2000-12-05 |