Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9733078 | Levelness detecting device and method, levelness adjusting device and method | Xiang Zhou, Dong Guo, Zhixia Liao | 2017-08-15 |
| 8080914 | Torque generating device | — | 2011-12-20 |