Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11154178 | Mop cleaning system | Juhong Zhang, Kaifeng Lu | 2021-10-26 |
| 11096547 | Water discharge control structure of washing bucket capable of separating clean water from dirty water for washing cleaning tool | Juhong Zhang | 2021-08-24 |