Issued Patents 2024
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11925343 | Traction apparatus and traction ring for traction apparatus | Jianjun Shuang, Zhenghua Shen, Changging Li, Derong Leng, Chunjun Liu +1 more | 2024-03-12 |
| 11864721 | Endoscope end cap | Shutian Zhang, Huihong Zhai, Jianjun Shuang, Jianyu Wei, Derong Leng +3 more | 2024-01-09 |