Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6761162 | Personal disposable emergency breathing system with radial flow | — | 2004-07-13 |
| 6758212 | Personal emergency breathing system | — | 2004-07-06 |
| 6041778 | Personal oxygen and filtered air evacuation system | Helmut Zauner, Ronald A Laswick | 2000-03-28 |
| 5996580 | Personal emergency breathing system with locator for supplied air respirators and shock resistant filter mounting | — | 1999-12-07 |
| 5640952 | Personal emergency breathing system for supplied air respirators | Donald A. McLean | 1997-06-24 |
| 5394867 | Personal disposable emergency breathing system with dual air supply | — | 1995-03-07 |
| 5315987 | Filtering canister with deployable hood and mouthpiece | — | 1994-05-31 |
| 5186165 | Filtering canister with deployable hood and mouthpiece | — | 1993-02-16 |