Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11819610 | Visual laryngeal mask | Hongbo Li, Ziqing Hei, Shanglong Yao, Xuerui Xiong, Weiping Li +4 more | 2023-11-21 |
| 11517693 | Visual laryngeal mask | Fushan Xue, Ziqing Hei, Shanglong Yao, FANGBING LI, Weidong Wang +14 more | 2022-12-06 |