Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11324910 | Positive pressure ventilation appliance modules and related systems and methods | Joseph Orr, Chakravarthy B. Reddy, Andrew S. Hansen | 2022-05-10 |
| 11222648 | Positive pressure ventilation microphone system, nebulizer, and related methods | Andrew S. Hansen, Richard Allen Kreifeldt | 2022-01-11 |
| 10493228 | Positive pressure ventilation appliance modules and related systems and methods | Chakravarthy B. Reddy, Joseph Orr, Andrew S. Hansen | 2019-12-03 |