Issued Patents 2025
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12409351 | Head covering device providing filtered air | Michael Hall, David R. Hall, Miguel Lazaro, Vicente Oliveira, Prabhakar Ramaraj +3 more | 2025-09-09 |
| 12357042 | Head covering device providing filtered intake and exhaust air | Michael Hall, David R. Hall, Chandler Flinders, Jordan D. Englund, Carson Richards +4 more | 2025-07-15 |
| 12185787 | Personal air filtering device with automatic control of air movement | Michael Hall, David R. Hall, Chandler Flinders, Jordan D. Englund, Anthony E. Pullen +1 more | 2025-01-07 |