Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8286735 | Drill bit having rotational cutting elements and method of drilling | Craig H. Cooley, Jair J. Gonzalez | 2012-10-16 |
| 8079431 | Drill bit having rotational cutting elements and method of drilling | Craig H. Cooley, Jair J. Gonzalez | 2011-12-20 |