Issued Patents 2017
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D792318 | Screw propeller | Zhiyi Li, Chunming Ma | 2017-07-18 |
| D785541 | Aircraft | Zhiyi Li, Chunming Ma | 2017-05-02 |
| D785566 | Electric motor | Zhiyi Li, Chunming Ma | 2017-05-02 |
| 9548614 | Cordless tool system | Dezhong Yang, Qichun Zhang, Haishen Xu, Junya Duan | 2017-01-17 |