Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11085180 | Toilet | Zhaoyuan Zeng, Rui Liu, Feng Lin | 2021-08-10 |
| 9938702 | Water tank-less toilet flushing system with control system thereof | Yong Liu, Yingjun ZHAO, Zhaoyuan Zeng, Zhanfeng Liu | 2018-04-10 |