Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11292049 | Electric rivet nut machine | Chih-Hua Hsu, Yi-Tsun Lai | 2022-04-05 |
| 10005098 | Power operated dispensing tool | Chih-Hua Hsu, Chen-Chen Cheng | 2018-06-26 |
| 8646657 | Electric caulking gun | Chih-Hua Hsu, Cheng-Yuan Lin, Chen-Chen Cheng | 2014-02-11 |
| 8573450 | Electrical caulking gun | Chih-Hua Hsu, Chen-Chen Cheng | 2013-11-05 |
| 7637392 | Electric caulking gun | Chih-Hua Hsu, Chen-Chen Cheng | 2009-12-29 |