Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6545477 | Method and apparatus for determining the resistivity of a formation through which a cased well passes | Paul Beguin, Dominique Benimeli, Francois Hecquet, Peter van der Wal, Marie-Therese Gounot | 2003-04-08 |