Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6768214 | Vibration based power generator | Roger L. Schultz, Robert Michael, Clark E. Robison | 2004-07-27 |
| 6755249 | Apparatus and method for perforating a subterranean formation | Clark E. Robison, Robert C. Pahmiyer | 2004-06-29 |
| 6729398 | Methods of downhole testing subterranean formations and associated apparatus therefor | Mark A. Proett, Michael T. Pelletier, Michael L. Hinz, Gregory N. Gilbert, Harold W. Nivens +1 more | 2004-05-04 |