Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8961881 | Multi-stage catalytic air purification system | Bijan F. Hagh, Russell W. Johnson, Peter M. Michalakos, Melissa Dopkins | 2015-02-24 |
| 8499567 | Hybrid fuel tank inerting system | Bijan F. Hagh, Daguang Zheng, Russell W. Johnson | 2013-08-06 |