Issued Patents 2025
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12329994 | Respirator flow control apparatus and method | Garry J. Walker, Andrew Murphy, Derek A. Parkin, Thomas I. Insley, Mark A. J. Fernandes | 2025-06-17 |
| 12245648 | Maintenance-free respirator that has concave portions on opposing sides of mask top section | John M. Facer, Christopher P. Henderson, Peter S. Leonard | 2025-03-11 |