Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9970161 | Rail vibration absorber | Hong-Ying Li, Xuejun Yin, Haifu Sun, Xiangfei Kong, Hongxiao Qu +2 more | 2018-05-15 |
| 9759301 | Clamping apparatus | Jun Xu, Ren-Jie Jiang | 2017-09-12 |