Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10584550 | Sponge pressure equalization system | Ludovic Delmar, Khac Nguyen Che | 2020-03-10 |
| 9869146 | Methods and apparatus for coring | Olivier Mageren, Khac Nguyen Che | 2018-01-16 |