Issued Patents 2021
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11027405 | Power tool | Shisong Zhang, Hongfeng Zhong, Yu Wu, Weifeng Li, Xiao Zhao +7 more | 2021-06-08 |
| 10939613 | Grass trimmer and cord delivering method of grass trimmer | Yichun Ma, Shisong Zhang, Guoliang Mou, Hongfeng Zhong, Fangshi Liu +2 more | 2021-03-09 |
| 10888988 | Power tool | Hongfeng Zhong, Yu Wu, Jingtao Xu, Yichun Ma | 2021-01-12 |