Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D820918 | Finger spinner | Jing Zhong | 2018-06-19 |
| 9970464 | Pre-tensioning-pre-twisting full-bridge 2D electro-hydraulic proportional directional valve | Jian Ruan, Bin Meng, Qiang Zuo, Ying Wu Chen | 2018-05-15 |