Issued Patents 2019
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10478028 | Rechargeable vacuum cleaner assembly | Min Zhong, Xinzhou Wang, Yonghua Wang | 2019-11-19 |
| 10478035 | Charging stand for vacuum cleaner | Min Zhong, Xinzhou Wang, Yonghua Wang | 2019-11-19 |
| 10463218 | Charging stand for vacuum cleaner | Min Zhong, Xinzhou Wang, Yonghua Wang | 2019-11-05 |
| 10307031 | Charging stand for vacuum cleaner | Min Zhong, Xinzhou Wang, Yonghua Wang | 2019-06-04 |