Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7152697 | Delayed phase changing agent for invert emulsion drilling fluid | Robert L. Horton, Bethicia B. Prasek, Frank E. Evans, Taylor Green, Mark Luyster | 2006-12-26 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7152697 | Delayed phase changing agent for invert emulsion drilling fluid | Robert L. Horton, Bethicia B. Prasek, Frank E. Evans, Taylor Green, Mark Luyster | 2006-12-26 |