Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5690095 | Emergency escape breathing apparatus | Thomas Norbron | 1997-11-25 |
| D304676 | Clamping band for a gas cylinder | — | 1989-11-21 |
| 4586500 | Breathing apparatus | — | 1986-05-06 |
| 4457461 | Head mounting apparatus | Paul A. J. Docking | 1984-07-03 |
| 4437460 | Breathing apparatus | — | 1984-03-20 |