Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9291004 | Tubular drill string component and corresponding drill string | Didier David, Gabriel Roussie | 2016-03-22 |
| 9200486 | Wired drill pipe with improved configuration | Gabriel Roussie, Didier David | 2015-12-01 |