Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4868751 | Method for determining relative permeability of a subterranean reservoir | Ali H. Dogru | 1989-09-19 |
| 4864864 | Method for measuring stress deformation of materials | David P. Yale, Robin B. Montgomery | 1989-09-12 |
| 4848487 | Method for minimizing mud solids invasion of core samples obtained during subsurface coring | Maynard L. Anderson, Peggy M. Wilson, Susan O. Wooten | 1989-07-18 |
| 4799382 | Method for determining reservoir characteristics of a porous material | David P. Yale | 1989-01-24 |