Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6899101 | Logical display for a breathing apparatus mask | David V. Haston, Nicolo J. Luzie, Jr., Carl Toft, John Wippler | 2005-05-31 |
| 6091331 | Emergency worker and fireman's dual emergency warning system | Carl Toft, David V. Haston, Duane E. Decker | 2000-07-18 |