Issued Patents 2021
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11041342 | Drill string rotation brake | Max A. Metcalf, Harry Bendure, Rick E. Barrett | 2021-06-22 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11041342 | Drill string rotation brake | Max A. Metcalf, Harry Bendure, Rick E. Barrett | 2021-06-22 |