Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10995557 | Method of manufacturing and designing a hybrid drill bit | Gregory Christopher Grosz | 2021-05-04 |
| 10920496 | Cutting structure design with new backup cutter methodology | Robert W. Arfele | 2021-02-16 |