Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| H1360 | Lightweight protective gas mask and hood | Corey M. Grove, John A. Scavnicky | 1994-10-04 |
| H1361 | Softshell protective mask | Corey M. Grove | 1994-10-04 |
| H1240 | Low profile chemical biological air filter | Corey M. Grove | 1993-10-05 |
| 5181506 | Multilayer protective gas mask | Corey M. Grove | 1993-01-26 |