Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8006877 | Backpack for self contained breathing apparatus | Nicolo J. Luzie, Jr., James T. Dexter, Thuan Cong Le, Mark A. Fischer, Aaron D. DeLaby | 2011-08-30 |
| 6966316 | Clean gas purge for breathing gas regulator | — | 2005-11-22 |
| 4414973 | Respirator face mask | James N. Matheson | 1983-11-15 |
| D271246 | Combined respirator face piece and strap units | James N. Matheson | 1983-11-01 |