Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8021129 | Hydraulically actuated submersible pump | Jared Mangum, Paul A. Treaster | 2011-09-20 |
| 7938200 | Apparatus and method for a hydraulic diaphragm downhole mud motor | — | 2011-05-10 |