Issued Patents 2023
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11730847 | Exhaled air purification unit and system for indoor multi-person venues or environments | Ronald D. Blum, Anita Broach | 2023-08-22 |
| 11712494 | Enhanced exhaled air collector and air purification unit and system | Ronald D. Blum, Anita Broach, Jack Loeb | 2023-08-01 |