Issued Patents 2018
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9868891 | Methods for producing emulsifiers for oil-based drilling fluids | Phillip W. Hurd, John B. Hines, Roger Scott Johnson, Nathan P. Rife, Anne M. Cothran | 2018-01-16 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9868891 | Methods for producing emulsifiers for oil-based drilling fluids | Phillip W. Hurd, John B. Hines, Roger Scott Johnson, Nathan P. Rife, Anne M. Cothran | 2018-01-16 |