Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5465609 | Apparatus for study of gas migration in cement slag | Jacques Romieu, Didier Degouy, Philippe Parigot | 1995-11-14 |
| 5398421 | Method for connecting magnetic measurements performed in a well through a measuring device in order to determine the azimuth thereof | Gilles Nicolle, Didier Gazaniol, Claude Mabile | 1995-03-21 |