Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8020641 | Drill bit with continuously sharp edge cutting elements | Eric E. McClain, L. Allen Sinor | 2011-09-20 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8020641 | Drill bit with continuously sharp edge cutting elements | Eric E. McClain, L. Allen Sinor | 2011-09-20 |