Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11124619 | Method for preparing block polyether amide foam particles with sandbag structure | Biao Gu, Yang Xia, Xiongfei Chao | 2021-09-21 |
| 7032254 | Plug for sink drainage | Hanping Ding | 2006-04-25 |