Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5103905 | Method of optimizing the conductivity of a propped fractured formation | Harold Dean Brannon, Janet Gulbis, George W. Hawkins | 1992-04-14 |
| 4919209 | Method for treating subterranean formations | — | 1990-04-24 |
| 4541935 | Hydraulic fracturing process and compositions | Vernon G. Constien | 1985-09-17 |