Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6216797 | Thrust system for a horizontal directional drill | Robert G. Draney | 2001-04-17 |
| 5469926 | Directional boring drill bit blade | — | 1995-11-28 |
| 5226488 | Truck mounted boring system | Brian Wilcox, Michael Tjader | 1993-07-13 |