Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11077323 | Respirator mask with air-saver switch | Darrill L. Plummer, Dustin Carroll Clark | 2021-08-03 |
| 10946223 | Facemask nosecup retained by voicemitters | Eric James Bassani, Jeffrey S. Vogus, Darin K. Thompson, Graham Peter Wilson, Carl Estcourt Tucker | 2021-03-16 |