Issued Patents All Time
Showing 26–31 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4986060 | Modular rotary mower cutterbar incorporating unique idler gear mounting | Craig A. Richardson, Michael Joseph Verhulst | 1991-01-22 |
| 4805927 | Hitch adapter for use in connecting semi-integral, PTO-driven implements to tractor three-point hitch | Roger D. Stephenson, Craig A. Richardson | 1989-02-21 |
| 4793430 | Hitch and drive structure for PTO-driven, semi-integral implement | Roger D. Stephenson, Craig A. Richardson | 1988-12-27 |
| 4776606 | Hitch and drive structure for pto-driven, semi-integral implement | Roger D. Stephenson, Craig A. Richardson | 1988-10-11 |
| 4738461 | Implement hitch adaptor and transmission assembly for allowing towing tractor to turn sharply | Roger D. Stephenson, Craig A. Richardson, J. Clark Fickle | 1988-04-19 |
| 4644738 | Twin sickle cutter bar | Frederick Carl Krambeck, Craig A. Richardson | 1987-02-24 |