Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9903163 | Drill bit and cutters for a drill bit | — | 2018-02-27 |
| 8544568 | Shoulder durability enhancement for a PDC drill bit using secondary and tertiary cutting elements | Cary Maurstad | 2013-10-01 |