Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8453763 | Expandable earth-boring wellbore reamers and related methods | Steven R. Radford, Les T. Shale, Mark E. Morris, Mark R. Kizziar, Anton F. Zahradnik | 2013-06-04 |
| 7997354 | Expandable reamers for earth-boring applications and methods of using the same | Steven R. Radford, Les T. Shale, Mark E. Morris, Mark R. Kizziar, Anton F. Zahradnik | 2011-08-16 |
| 7900717 | Expandable reamers for earth boring applications | Steven R. Radford, Anton F. Zahradnik, J. Lindley Baugh | 2011-03-08 |
| 7549485 | Expandable reamer apparatus for enlarging subterranean boreholes and methods of use | Steven R. Radford, Kelly D. Ireland, Robert A. Laing, Daryl L. Pritchard, James L. Overstreet +3 more | 2009-06-23 |