Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5357950 | Breath actuated positive pressure demand regulator with override | John Wippler | 1994-10-25 |
| 4498471 | First and second stage regulator system for breathing gas | Donald L. Gadberry | 1985-02-12 |
| 4387600 | Fiberoptic pressure gauge | — | 1983-06-14 |
| 4250876 | Emergency life support system | — | 1981-02-17 |
| 4233970 | Emergency escape breathing apparatus | — | 1980-11-18 |
| 4221216 | Emergency escape breathing apparatus | — | 1980-09-09 |