Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7954570 | Cutting elements configured for casing component drillout and earth boring drill bits including same | Eric E. McClain, John C. Thomas, Jack T. Oldham, Lester I. Clark, William Heuser | 2011-06-07 |