Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6729408 | Fracturing fluid and method of use | Ernest Brown, Curtis L. Boney, Gregory Sutton | 2004-05-04 |
| 6720290 | Foaming agents for use in coal seam reservoirs | Kevin W. England, J. Ernest Brown, Ramchandra M. Reddy | 2004-04-13 |