Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D841574 | Battery | Donghui Ma, Xiangqi Wang | 2019-02-26 |
| D834999 | Motor vehicle | Donghui Ma | 2018-12-04 |
| D830939 | Wheel hub | Donghui Ma | 2018-10-16 |
| D830270 | Wheel hub | Donghui Ma | 2018-10-09 |