Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6739416 | Enhanced offset stabilization for eccentric reamers | W. Gregory Presley, D. Jay Clinkscales, Jeffrey B. Lund, Matthew J. Meiners, Steven R. Radford +2 more | 2004-05-25 |
| 6695080 | Reaming apparatus and method with enhanced structural protection | W. Gregory Presley, Steven R. Radford, Matthew J. Meiners, Mark E. Morris, D. Jay Clinkscales +3 more | 2004-02-24 |
| 6397958 | Reaming apparatus and method with ability to drill out cement and float equipment in casing | William Gregory Presley, Sean K. Berzas, Douglas J. Bobrosky, Mark W. Dykstra, Mark E. Morris +2 more | 2002-06-04 |
| 6098728 | Rock bit nozzle arrangement | Jennifer Ann Wells, Wayne Lee Baker, James L. Duggan, Thomas John Gottschalk, Timothy K. Marvel +2 more | 2000-08-08 |