Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1006210 | Ear irrigation device | — | 2023-11-28 |
| 6695333 | Chainless transmission mechanism for bicycles | Yongqiang Huang, Jinhong Zhang, Yaocai Ou, Weihua Ruan, Shaofang Wu | 2004-02-24 |