Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5349949 | Face mask with lip, fold, and resilient spring means to improve seal | — | 1994-09-27 |
| 5339806 | Protective equipment including a closed suit | Raymond Beaussant, Jacques Frison | 1994-08-23 |
| 5318020 | Equipment for respiratory protection against pollutants | — | 1994-06-07 |