Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11015106 | Reusable high performance water based drilling fluids | César Misino, Shaohua Lu, Gaston Wray Curtis | 2021-05-25 |
| 10669468 | Reusable high performance water based drilling fluids | César Misino, Shaohua Lu, Gaston Wray Curtis | 2020-06-02 |