Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9809147 | Position-limiting device | Jianqiang Guo, Shaoqing Liu, Zhaojin Sun, Junshan Lin, Bin Li +1 more | 2017-11-07 |
| 9758180 | Securing system for freight wagon and freight wagon | Zhaojin Sun, Shaoqing Liu, Jianqiang Guo, Peng She, Bingsong WANG +1 more | 2017-09-12 |