Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10954784 | Shearer cutting unit with double-speed rollers | Kuidong Gao, Liqing SUN, Qingliang Zeng, Xin Zhang, Liang Wang +1 more | 2021-03-23 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10954784 | Shearer cutting unit with double-speed rollers | Kuidong Gao, Liqing SUN, Qingliang Zeng, Xin Zhang, Liang Wang +1 more | 2021-03-23 |