Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9097085 | Multiphase drilling systems and methods | Daniel Guy Pomerleau, Keith Kenneth Corb, Robert T. Staysko, Gregg MacKay Jollymore | 2015-08-04 |
| 4664206 | Stabilizer for drillstems | — | 1987-05-12 |