Issued Patents 2020
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10744880 | Negative voltage backflow direct current supply system for rail transport | Qionglin Zheng, Xiaofeng Yang, Xiaojie You, Hong Li | 2020-08-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10744880 | Negative voltage backflow direct current supply system for rail transport | Qionglin Zheng, Xiaofeng Yang, Xiaojie You, Hong Li | 2020-08-18 |