Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7753051 | Face mask strap system | Thomas W. McGrail, Dennis Irlbeck, Stefany Bouchez | 2010-07-13 |
| 7178521 | Adjustable length breathing circuit | Dennis Irlbeck, Thomas W. McGrail, Bart H. Burrow, Michael G. Mitchell, David L. Richards | 2007-02-20 |
| 5404873 | Anesthesia circuit | Michael A. Leagre | 1995-04-11 |