Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9506340 | Downhole quartz gauge with minimal electronics | Goutham R. Kirikera, William M. Patton, Tracy Sawyer, Anthony Thornberry | 2016-11-29 |
| 5131478 | Low friction subterranean drill bit and related methods | J. Ford Brett, Tommy M. Warren, L. Allen Sinor | 1992-07-21 |
| 4887677 | Low pressure drill bit | Tommy M. Warren | 1989-12-19 |