Issued Patents 2020
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10767480 | Extensible reaming self-anchoring anchor rod and supporting method thereof | Nong Zhang, Changliang Han, Zhengzheng Xie | 2020-09-08 |
| 10630592 | Routing method, related device, and system | Shihai Hu, Bing Dang | 2020-04-21 |