Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6854515 | Wellhead hydraulic drive unit | Ed Matthews, Gregg Lacusta | 2005-02-15 |
| 6557639 | Apparatus and method for pumping fluids for use with a downhole rotary pump | Ed Matthews, Gary Anderson, Shawn Deugo, Mel Paton | 2003-05-06 |