Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11344172 | Roller brush assembly and cleaning device | Xiaowei Xu, Yuan-Chuen Chen, Xianmin Wei | 2022-05-31 |
| 11154174 | Cleaning device and roller brush component | Xiaowei Xu, Yuan-Chuen Chen, Xianmin Wei | 2021-10-26 |