Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9797248 | Constant-resistance and large deformation anchor cable and constant-resistance device | Zhigang Tao, Bin Zhang, Xiaojie Yang | 2017-10-24 |
| 9588029 | Dynamics performance testing system | Zhibiao Guo, Guofeng Zhang | 2017-03-07 |