Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4981037 | Method for determining pore pressure and horizontal effective stress from overburden and effective vertical stresses | Phil Holbrook, Homer A. Robertson | 1991-01-01 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4981037 | Method for determining pore pressure and horizontal effective stress from overburden and effective vertical stresses | Phil Holbrook, Homer A. Robertson | 1991-01-01 |