Issued Patents 2018
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9970161 | Rail vibration absorber | Hong-Ying Li, Haifu Sun, Xiangfei Kong, Li Guo, Hongxiao Qu +2 more | 2018-05-15 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9970161 | Rail vibration absorber | Hong-Ying Li, Haifu Sun, Xiangfei Kong, Li Guo, Hongxiao Qu +2 more | 2018-05-15 |