Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9377010 | Hydraulic pump jack system for oil and gas wells | — | 2016-06-28 |
| 5662176 | Truck mounted work implement | Randall M. Friesen | 1997-09-02 |
| 5558169 | Truck mounted work implement | Randall M. Friesen | 1996-09-24 |