Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10770827 | Waterproof structure for preventing water from penetrating into electronic products and waterproof annular ring | — | 2020-09-08 |
| 8850932 | Positioning device for a hand tool | — | 2014-10-07 |
| 7992471 | Positioning apparatus for hand tool | — | 2011-08-09 |
| 7841262 | Positioning device for a hand tool | — | 2010-11-30 |