Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11642553 | Portable personal respirator and use thereof | Alexander Virr, Dan Kao, John Michael Snow, Damian Charles Johnson, Millen James Rath-May | 2023-05-09 |
| D872854 | Portable respirator | Alexander Virr, Dan Kao, John Michael Snow, Damian Charles Johnson, Millen James Rath-May | 2020-01-14 |