Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4665988 | Method of preparation of variable permeability fill material for use in subterranean formations | Joseph R. Murphey, Kenneth D. Totty | 1987-05-19 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4665988 | Method of preparation of variable permeability fill material for use in subterranean formations | Joseph R. Murphey, Kenneth D. Totty | 1987-05-19 |