Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D877874 | Air purifier | Yonggang Feng, Jianjun Jiang | 2020-03-10 |
| D876599 | Vertical air purifier | Chinan He, Yonggang Feng | 2020-02-25 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D877874 | Air purifier | Yonggang Feng, Jianjun Jiang | 2020-03-10 |
| D876599 | Vertical air purifier | Chinan He, Yonggang Feng | 2020-02-25 |