Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12409351 | Head covering device providing filtered air | Michael Hall, David R. Hall, Jacob Dean, Miguel Lazaro, Vicente Oliveira +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, Prabhakar Ramaraj +4 more | 2025-07-15 |