Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6105350 | Multi-port hopper exhaust apparatus | Jay J. Kakuk | 2000-08-22 |
| D413125 | Multi-port hopper exhaust apparatus | Jay J. Kakuk, Darren Redetzke, Darrell W. Hinklin | 1999-08-24 |
| 5332053 | Hydraulic drive system | — | 1994-07-26 |
| 5195261 | Quick-hitching device for detachably mounting an attachment to a vehicle frame | — | 1993-03-23 |
| 4778195 | Tractor work implement coupler | — | 1988-10-18 |
| 4717166 | Hook type quick coupling for tractor implement | — | 1988-01-05 |
| 4579179 | Row crop cultivator | — | 1986-04-01 |
| 4554977 | Combined harrow and harrow bar | — | 1985-11-26 |
| 4446925 | Soil cultivating machine | — | 1984-05-08 |