Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D970706 | Air purifier | Yaogang Chen, Hongzeng Zhang | 2022-11-22 |
| D948017 | Air purifier | Yaogang Chen, Yanshan Wu | 2022-04-05 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D970706 | Air purifier | Yaogang Chen, Hongzeng Zhang | 2022-11-22 |
| D948017 | Air purifier | Yaogang Chen, Yanshan Wu | 2022-04-05 |