Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10188814 | Combination anesthesia and scavenger surgical mask | — | 2019-01-29 |
| 9782555 | Exhalation scavenging therapy mask | Marc Alan Burk, Daniel Patrick Dwyer, Gary James Roth, Hyung Joo Lee | 2017-10-10 |
| 8539953 | Combination anesthesia and scavenger surgical mask | — | 2013-09-24 |
| 8479737 | Combination anesthesia and scavenger surgical mask | — | 2013-07-09 |
| 8291905 | Combination anesthesia and scavenger surgical mask | — | 2012-10-23 |
| 7243649 | Anesthesia administration mask and eye shield | Dennis Irlbeck | 2007-07-17 |