Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9693886 | Short sheath delivery system for biliary metal stent via endoscope | Bingrong Liu, Zhonghong Liu, Shizhu Jin | 2017-07-04 |
| 9552953 | Field emission cathode and field emission device | Peng Liu, Duan-Liang Zhou, Chun-Hai Zhang, Shou-Shan Fan | 2017-01-24 |