Issued Patents 2023
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11627796 | Cleaning brush | Scott Haack, Jianjun Shuang, Changqing Li, Minghao FENG | 2023-04-18 |
| 11547837 | Double-balloon catheter device for gastrointestinal anastomosis | Xiaoping Zou, Lei Wang, Jianyu Wei, Jialing Sun, Changqing Li | 2023-01-10 |