Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7331345 | Demand regulator protective bellows | — | 2008-02-19 |
| 6899101 | Logical display for a breathing apparatus mask | Nicolo J. Luzie, Jr., Carl E. Schaefer, Carl Toft, John Wippler | 2005-05-31 |
| 6091331 | Emergency worker and fireman's dual emergency warning system | Carl Toft, Carl E. Schaefer, Duane E. Decker | 2000-07-18 |
| 5372328 | Restraint belt retractor | John Churilla | 1994-12-13 |
| 5312066 | Restraint belt retractor | John Churilla | 1994-05-17 |