Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5170379 | Process and system for measuring when dragged underwater beneath a helicopter | Gerard Ruzie | 1992-12-08 |
| 4744438 | Seismic probe more particularly usable in an untubed drilling shaft | Gerard Ruzie, Jean-Louis Marchand | 1988-05-17 |