Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6536530 | Hydraulic control system for downhole tools | Roger L. Schultz, Jimmie R. Williamson, Jr. | 2003-03-25 |
| 6527052 | 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 | 2003-03-04 |
| 6504258 | Vibration based downhole power generator | Roger L. Schultz, Clark E. Robison, Robert Michael, Russell Irving Bayh, III | 2003-01-07 |