Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11529711 | Sanding machine, operating method thereof and working baseplate disassembly-assembly method | Hongfeng Zhong, Yimin Sun | 2022-12-20 |
| 11369243 | Dust bin, vacuum cleaner combination and stick vacuum cleaner | Hongfeng Zhong, Jingtao Xu, Binbin Xu, Xiaoli Pang, Hongbing WU +3 more | 2022-06-28 |