Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9205532 | Pressure-adjusting apparatus for vise | Chang-Chih Lin | 2015-12-08 |
| 8690138 | Coaxial concentric double-jaw vice | Chang-Yi Lin | 2014-04-08 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9205532 | Pressure-adjusting apparatus for vise | Chang-Chih Lin | 2015-12-08 |
| 8690138 | Coaxial concentric double-jaw vice | Chang-Yi Lin | 2014-04-08 |