Issued Patents 2021
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11203239 | Traction device and traction method | Hongqi Li, Yuan He, Quanwei Song, Qiangqiang Wang, Weifeng Yu | 2021-12-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11203239 | Traction device and traction method | Hongqi Li, Yuan He, Quanwei Song, Qiangqiang Wang, Weifeng Yu | 2021-12-21 |