Issued Patents 2011
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8025112 | Earth-boring bits and other parts including cemented carbide | Morris E. Chandler, Michale E. Waller, Heath C. Coleman | 2011-09-27 |
| 8007714 | Earth-boring bits | Jimmy W. Eason, James J. Oakes, James C. Westhoff, Gabriel B. Collins, John H. Stevens +2 more | 2011-08-30 |
| 8007922 | Articles having improved resistance to thermal cracking | Alfred J. Mosco, Eric W. Olsen, Steven G. Caldwell | 2011-08-30 |
| 7954569 | Earth-boring bits | Jimmy W. Eason, James J. Oakes, James C. Westhoff, Gabriel B. Collins, John H. Stevens +2 more | 2011-06-07 |