Issued Patents 2019
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10407991 | Drill string rotation brake | Max A. Metcalf, Philip J. Wosmek, Rick E. Barrett | 2019-09-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10407991 | Drill string rotation brake | Max A. Metcalf, Philip J. Wosmek, Rick E. Barrett | 2019-09-10 |