Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4431057 | Process and device for injecting a liquid agent used for treating a geological formation in the vicinity of a well bore traversing this formation | Jean-Philippe Colonna, Jean-Michel Fitremann, Jean-Paul Sarda | 1984-02-14 |
| 4298066 | Process and device for injecting a liquid agent used for treating a geological formation in the vicinity of a well bore traversing this formation | Jean-Philippe Colonna, Jean-Michel Fitremann, Jean-Paul Sarda | 1981-11-03 |