Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7735556 | Method of isolating open perforations in horizontal wellbores using an ultra lightweight proppant | John Misselbrook, Russell Meyer, Darcy A. Schultz, Quentin Shane Stang | 2010-06-15 |