Issued Patents 2025
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12357849 | Personal respiratory protection device | — | 2025-07-15 |
| 12329994 | Respirator flow control apparatus and method | Andrew Murphy, Desmond T. Curran, Derek A. Parkin, Thomas I. Insley, Mark A. J. Fernandes | 2025-06-17 |
| D1057296 | Air supply attachment for a helmet | Benjamin A. Johnson, Paul A. Martinson, David J. Schmidt, David L. Ausen | 2025-01-07 |