Issued Patents 2003
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D473937 | Respirator | Keith Fecteau, David G. Honan, Alan R. Levin, Ryan John Sullivan | 2003-04-29 |
| 6536435 | Respirator headpiece and release mechanism | Keith Fecteau, David G. Honan, Alan R. Levin, Ryan John Sullivan | 2003-03-25 |
| D471968 | Heater | — | 2003-03-18 |
| D471969 | Heater housing | — | 2003-03-18 |