Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4988539 | Method of manufacturing a gas detection sensor, and the resulting sensor | Philippe Breuil, Guy Tournier | 1991-01-29 |
| 4485667 | Method, sensor and device for detecting trace quantities of gases in a gaseous medium | Rene Lalauze, Jean Paul Couput | 1984-12-04 |