Issued Patents 2016
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9410399 | Multi-zone cemented fracturing system | — | 2016-08-09 |
| 9334700 | Reverse cementing valve | Andrew J. Hanson, Jozeph Robert Marcin, Randal Brent Biedemann, Damian Leonard Ward | 2016-05-10 |