Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6520593 | Hydraulic positioning system | Paul A. Dvorak, James Brian Normann, Michael S. Sekulich | 2003-02-18 |
| 6249993 | Trencher assembly utilizing a direct drive motor | Eric A. Armstrong, Mark Kinder, Henry Torosyan | 2001-06-26 |