Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11085295 | Tunnel boring robot and remote mobile terminal command system | Qingbin Li, Qinglong Zhang, Pengxiang Qin, Xiaoli Liu, Qianjun Xu | 2021-08-10 |
| 10260550 | Semi-left-hand-thread-removal screw | Wenfeng Sun | 2019-04-16 |