Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7231991 | Apparatus and methods for sponge coring | Bob T. Wilson, Holger Stibbe, Hallvard S. Hatloy | 2007-06-19 |
| 7004265 | Apparatus and methods for sponge coring | Bob T. Wilson, Holger Stibbe, Hallvard S. Hatloy | 2006-02-28 |
| 6006844 | Method and apparatus for simultaneous coring and formation evaluation | John W. Harrell, Michael H. Johnson, Pierre E. Collee | 1999-12-28 |