Issued Patents 2022
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11420849 | Traction machine and lifting equipment | Qingwei Zhang, Guozhu Zhang | 2022-08-23 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11420849 | Traction machine and lifting equipment | Qingwei Zhang, Guozhu Zhang | 2022-08-23 |