Issued Patents 2023
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11571721 | Drainage system for automatic cleaning storage base of electric mop | Zhi-Chang Liu, Xiao-Ming Zhang | 2023-02-07 |
| 11565285 | Self-cleaning automatically-stored electrical mop | Zhi-Chang Liu, Xiao-Ming Zhang | 2023-01-31 |