Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11471553 | Exhaled air purification unit and system for indoor multi-person venues or environments | Ronald D. Blum, Anita Broach | 2022-10-18 |
| 11324850 | Exhaled air purification unit and system for indoor multi-person venues or environments | Ronald D. Blum, Anita Broach | 2022-05-10 |