Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7896106 | Rotary drag bits having a pilot cutter configuraton and method to pre-fracture subterranean formations therewith | — | 2011-03-01 |
| 7861809 | Rotary drag bit with multiple backup cutters | Ryan J. Hanford, Lane E. Snell, Jason E. Hoines, Matthew R. Isbell, Eric E. McClain +1 more | 2011-01-04 |