Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11419465 | Handheld vacuum cleaner | Benson Chun Kit Cheung, Mohammed Irfan, Somnanritha Chan, Yao Xiyin | 2022-08-23 |
| 11363921 | Handheld vacuum cleaner | Benson Chun Kit Cheung | 2022-06-21 |