Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9782857 | Hybrid drill bit having increased service life | Don Q. Nguyen, Carl E. Poteet, III, Eric C. Sullivan, Mark P. Blackman, Alan J. Massey +1 more | 2017-10-10 |
| 9657527 | Drill bits with anti-tracking features | Robert J. Buske | 2017-05-23 |