Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8333816 | Multi-use personal ventilation/filtration system | Jimmie B. Allred, III | 2012-12-18 |
| 7892306 | Multi-use personal ventilation/filtration system | Jimmie B. Allred, III | 2011-02-22 |
| 7641144 | Cross-flow fan propulsion system | Thong Dang | 2010-01-05 |