Issued Patents 2018
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9903182 | Fracturing valve and fracturing tool string | Donald Getzlaf, John Ravensbergen, Douglas James Brunskill | 2018-02-27 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9903182 | Fracturing valve and fracturing tool string | Donald Getzlaf, John Ravensbergen, Douglas James Brunskill | 2018-02-27 |