Issued Patents 2021
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11187081 | Self-anchored opposite-pulling anti-impact anchor cable for sectional coal pillars and using method thereof | Yishan Pan, HongYing Wang, Lianpeng Dai, Aiwen WANG, Zhicai Chen | 2021-11-30 |