Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12245648 | Maintenance-free respirator that has concave portions on opposing sides of mask top section | John M. Facer, Christopher P. Henderson, Desmond T. Curran | 2025-03-11 |
| 11877604 | Maintenance-free respirator that has concave portions on opposing sides of mask top section | John M. Facer, Christopher P. Henderson, Desmond T. Curran | 2024-01-23 |
| 10827787 | Maintenance-free respirator that has concave portions on opposing sides of mask top section | John M. Facer, Christopher P. Henderson, Desmond T. Curran | 2020-11-10 |