Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5481114 | Process and apparatus for the simultaneous selective detection of neutrons and X or gamma photons | Georges Daniel, Jean-Louis Szabo | 1996-01-02 |
| 4879463 | Method and apparatus for subsurface formation evaluation | Peter Wraight, Jean-Michel Hache, Erik Rhein-Knudsen, Mike Evans | 1989-11-07 |
| 4814609 | Methods and apparatus for safely measuring downhole conditions and formation characteristics while drilling a borehole | Peter Wraight, Jean-Michel Hache, Erik Rhein-Knudsen, Mike Evans | 1989-03-21 |