Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5922955 | Gravity-compensation type accelerometer and process for producing such an accelerometer | Jean Brun, Stéphane Caplet, Patricia Touret | 1999-07-13 |
| 5170379 | Process and system for measuring when dragged underwater beneath a helicopter | Jean Batot | 1992-12-08 |
| 4744438 | Seismic probe more particularly usable in an untubed drilling shaft | Jean Batot, Jean-Louis Marchand | 1988-05-17 |