Issued Patents 2020
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D894979 | Drill bit | — | 2020-09-01 |
| D894980 | Drill bit | — | 2020-09-01 |
| D894981 | Drill bit | — | 2020-09-01 |
| 10626676 | Continuous sampling drill bit | Christopher L. Drenth | 2020-04-21 |
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D894979 | Drill bit | — | 2020-09-01 |
| D894980 | Drill bit | — | 2020-09-01 |
| D894981 | Drill bit | — | 2020-09-01 |
| 10626676 | Continuous sampling drill bit | Christopher L. Drenth | 2020-04-21 |