Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9970161 | Rail vibration absorber | Xuejun Yin, Haifu Sun, Xiangfei Kong, Li Guo, Hongxiao Qu +2 more | 2018-05-15 |
| 8109687 | Telescopic adjusting mechanism | Da Xu | 2012-02-07 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9970161 | Rail vibration absorber | Xuejun Yin, Haifu Sun, Xiangfei Kong, Li Guo, Hongxiao Qu +2 more | 2018-05-15 |
| 8109687 | Telescopic adjusting mechanism | Da Xu | 2012-02-07 |