Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11628546 | Tool connecting rod | — | 2023-04-18 |
| 10434632 | Tool connector | — | 2019-10-08 |
| 8915169 | Adjustable driving tool | Hsien-Cheng Lin | 2014-12-23 |
| 8770071 | Electronic torque wrench with a rotatable display unit | Hsien-Cheng Lin | 2014-07-08 |
| 6612435 | Tool case | — | 2003-09-02 |