Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5663929 | Drilling signal transmission method and system | Didier Pavone, Jacques Froment | 1997-09-02 |
| 5550788 | Method and system of analysis of the behavior of a drill string | Didier Pavone, Jacques Froment | 1996-08-27 |