Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D990523 | Blade | — | 2023-06-27 |
| D983841 | Blade | — | 2023-04-18 |
| 11084180 | Cutting blade for brush cutter | — | 2021-08-10 |
| 8749611 | Video conference system | Barry Lam, Chia-Yuan Chang, Rong-Quen Chen, Huan-Tang Wu, Chih-Wei Sung +8 more | 2014-06-10 |
| 8471134 | Bass drum pedal assembly of drum kit | — | 2013-06-25 |
| 5905218 | Device for connecting two drum pedals of a drum | — | 1999-05-18 |