Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10981022 | Smart respirator and method and device for calculating pollutant absorption | Tong Zhao, Huayijun Liu | 2021-04-20 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10981022 | Smart respirator and method and device for calculating pollutant absorption | Tong Zhao, Huayijun Liu | 2021-04-20 |