Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4842073 | Fluid additive and method for treatment of subterranean formations | Edward F. Vinson | 1989-06-27 |
| 4828726 | Stabilizing clayey formations | Edward F. Vinson | 1989-05-09 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4842073 | Fluid additive and method for treatment of subterranean formations | Edward F. Vinson | 1989-06-27 |
| 4828726 | Stabilizing clayey formations | Edward F. Vinson | 1989-05-09 |