Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11337571 | Vacuum cleaner | Ying Chun Wong | 2022-05-24 |
| 10285548 | Vacuum cleaner | Jian Hua Tang, Ying Chun Wong, Jincheng Xia, Shuhong Xue | 2019-05-14 |
| 9924842 | Vacuum cleaner | Jian Hua Tang, Ying Chun Wong, Jincheng Xia, Shuhong Xue | 2018-03-27 |