Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11292107 | Engagement structure of socket wrench | — | 2022-04-05 |
| 11134574 | Double-sided circuit board and method for preparing the same | I-Lin Tseng | 2021-09-28 |
| 10183385 | Locking structure for hand tool | — | 2019-01-22 |
| 10098242 | Double-sided circuit board and method for preparing the same | I Lin Tseng | 2018-10-09 |
| 9522458 | Clamping structure for open end wrench | — | 2016-12-20 |
| 9221157 | Angle controlling device for a wrench | — | 2015-12-29 |