Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4833915 | Method and apparatus for detecting formation hydrocarbons in mud returns, and the like | Frederick J. Radd | 1989-05-30 |
| 4212748 | Polymer flood filtration improvement | Dell Conley, Burton M. Casad, Olaf M. Stokke | 1980-07-15 |