Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5299857 | Removable hydraulic apparatus with electric control for multiple positioning hydraulic cylinders | — | 1994-04-05 |
| 5203615 | Full side shift system for detachable rotary apparatus | William J. Bethards | 1993-04-20 |
| 4878713 | Pavement planing machine | — | 1989-11-07 |