Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6101446 | Method for charting drillable zones in an oilfield avoiding anomaly zones | Helmut Kuhn, Didier Parron, Yves Lafet | 2000-08-08 |
| 5259958 | Hydrocarbon extractor | Jean A. L. Bronnec, Bertrand Gaudebert, Jean-Claude Leroux, Jean-Francois Vidalie, Jean-Pierre Thery | 1993-11-09 |