Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10786691 | Breathing apparatus | Dan Kao, Xiaoyi Fu, Alexander Virr, John Michael Snow | 2020-09-29 |
| D872854 | Portable respirator | Alexander Virr, Dan Kao, John Michael Snow, Chayut Orapinpatipat, Millen James Rath-May | 2020-01-14 |