Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11439934 | Capture device for purifying air, purification device and air purifier | Chubin Ou, Tongsheng Wang, Hui Zhang | 2022-09-13 |
| 11305220 | Purification device for air purification and air purifier having same | Tongsheng Wang, Hui Zhang | 2022-04-19 |