Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10980963 | Cloth respiratory mask | David Groll, Nadine Scandinaro, Eric S. Nachreiner | 2021-04-20 |
| 9981104 | Full face cloth respiratory mask | David Groll, Nadine Scandinaro, Eric S. Nachreiner | 2018-05-29 |
| 9308343 | Respiratory mask with disposable cloth body | David Groll, Nadine Scandinaro | 2016-04-12 |
| 8361040 | Fluid path set providing gravity flow prevention | Michael A. Spohn, Thomas Henry Cunningham | 2013-01-29 |