Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11708725 | Drill string rotation brake | Max A. Metcalf, Philip J. Wosmek, Rick E. Barrett | 2023-07-25 |
| 11041342 | Drill string rotation brake | Max A. Metcalf, Philip J. Wosmek, Rick E. Barrett | 2021-06-22 |
| 10407991 | Drill string rotation brake | Max A. Metcalf, Philip J. Wosmek, Rick E. Barrett | 2019-09-10 |