Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5003632 | Device for connecting a breathing mask to a helmet | — | 1991-04-02 |
| 4230097 | Breathing and acceleration protection apparatus for aircraft crew members | Raymond Beaussant | 1980-10-28 |