Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11642487 | Reusable respiratory protection device | Brian K. Heimbuch, Delbert A. Harnish, Geoffrey A. Kibble, Sheila J. Nogueira-Prewitt, Christopher G. Estkowski +3 more | 2023-05-09 |
| 10835704 | Reusable respiratory protection device | Brian K. Heimbuch, Delbert A. Harnish, Geoffrey A. Kibble, Sheila J. Nogueira-Prewitt, Christopher G. Estkowski +3 more | 2020-11-17 |