Issued Patents 2023
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11819623 | Positive airway pressure device | Dion Charles Chewe Martin, Barton John Kenyon, Alexander Virr, Dmitri Anatolievich Doudkine, Philip Rodney Kwok +1 more | 2023-11-21 |
| 11724059 | Humidifier and/or flow generator for CPAP device | Ian Malcolm Smith, Perry David Lithgow, Dan Kao | 2023-08-15 |
| D986409 | Breathing apparatus | Alexander Virr, Xiaoyi Fu, Dan Kao, Damian Charles Johnson | 2023-05-16 |
| 11642553 | Portable personal respirator and use thereof | Alexander Virr, Dan Kao, Damian Charles Johnson, Chayut Orapinpatipat, Millen James Rath-May | 2023-05-09 |