Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8007714 | Earth-boring bits | Prakash K. Mirchandani, Jimmy W. Eason, James C. Westhoff, Gabriel B. Collins, John H. Stevens +2 more | 2011-08-30 |
| 7954569 | Earth-boring bits | Prakash K. Mirchandani, Jimmy W. Eason, James C. Westhoff, Gabriel B. Collins, John H. Stevens +2 more | 2011-06-07 |