Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12005465 | Rotary water outlet mechanism and flushing device containing same | Zhifeng Wu, Xiangmou Zhang | 2024-06-11 |
| 11771299 | Rotary cup washing device | Zhifeng Wu, Kailiang Zhu | 2023-10-03 |