Issued Patents 2017
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9744631 | Positioning clamp having pivotal arms and a cam with movement regulation | ZE-HONG CHEN, Jian Jin | 2017-08-29 |
| 9708090 | Adjusting apparatus | Jian Jin, ZHI-JIN MA, YONG-FU HU | 2017-07-18 |
| 9669999 | Transmission and positioning mechanism | Jie Gao, Li Zhu, Jian Jin | 2017-06-06 |