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