Issued Patents 2020
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10694909 | Clutch device for upright vacuum cleaner and upright vacuum cleaner having same | Hui Zou, Xiahu Xiao | 2020-06-30 |
| 10610071 | Upright vacuum cleaner | Hui Zou, Xiahu Xiao | 2020-04-07 |
| 10561289 | Dust collection box and robot vacuum cleaner | Xianmin Wei, Manzhi Jin | 2020-02-18 |