Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10738537 | Drill bits with stick-slip resistance | Robello Samuel | 2020-08-11 |
| 10619419 | Drill bit having improved journal bearings | Micheal Burl Crawford, Jay S. Bird, Young-Ho Lee | 2020-04-14 |