Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10967498 | Display structure for wrench | Tsan-Chang Lee | 2021-04-06 |
| 8701524 | Complex wrench | Yueh-Li Wang | 2014-04-22 |
| 7387052 | Wrench with outstanding grip | Yueh-Li Wang | 2008-06-17 |