Issued Patents 2003
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6644404 | Method of progressively gravel packing a zone | Roger L. Schultz, Syed Hamid | 2003-11-11 |
| 6588507 | Apparatus and method for progressively gravel packing an interval of a wellbore | Ronald Glen Dusterhoft, Syed Hamid, Roger L. Schultz | 2003-07-08 |
| 6543544 | Low power miniature hydraulic actuator | Roger L. Schultz, Brock Watson, James Masino | 2003-04-08 |
| 6504258 | Vibration based downhole power generator | Roger L. Schultz, Paul D. Ringgenberg, Clark E. Robison, Russell Irving Bayh, III | 2003-01-07 |