Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880444 | Method of improving performance of gas-liquid separators | J.G. Savins, Scott G. Hugenberger | 1989-11-14 |
| 4848487 | Method for minimizing mud solids invasion of core samples obtained during subsurface coring | Maynard L. Anderson, Eve S. Sprunt, Susan O. Wooten | 1989-07-18 |