Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9616256 | Breathing mask and regulator for aircraft | Thomas K. McDonald, James C. Cannon, Bryan N. Rogers, Raymond P. Feith | 2017-04-11 |
| 8496005 | Breathing mask and regulator for aircraft | Thomas K. McDonald, James C. Cannon, Bryan N. Rogers, Raymond P. Feith | 2013-07-30 |
| 7836886 | Breathing mask and regulator for aircraft | Thomas K. McDonald, James C. Cannon, Bryan N. Rogers, Raymond P. Feith | 2010-11-23 |