Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11534956 | Filament winding devices | Jianguo Liang, Xiaodong Zhao, Jianglin Liu, Junjie Guo, Haifeng Gao +1 more | 2022-12-27 |
| 11517049 | E-cigarette and circumferentially heating type curing needle for the same | Xiang Liu | 2022-12-06 |