Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 7160519 | Serviceable exhaust aftertreatment device, and configured cylindrical bodies for coupling | Robert Raymond Petkovsek | 2007-01-09 | $32,465,000 |
| 6557651 | Automated lubricant dispensing system and method for a horizontal directional drilling machine | Brian John Bischel, Steven C. Erickson, Gregg Austin, Scott Rempe | 2003-05-06 | $2,281,000 |