Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4741647 | Guide tube for a flexible upright riser for marine petroleum exploitation | Christian Dumazy, Jean-Paul Sarrailh | 1988-05-03 |
| 4441839 | Eccentric fluid delivery column for articulated drilling platform in deep water petroleum production | Christian Dumazy, Jean-Paul Sarrailh | 1984-04-10 |