Issued Patents 2020
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10550644 | Drill bit having shaped leading cutter and impregnated backup cutter | Steven W. Drews | 2020-02-04 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10550644 | Drill bit having shaped leading cutter and impregnated backup cutter | Steven W. Drews | 2020-02-04 |