Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6189640 | Drive line shield for articulated tractors | David A. Young, Henry Latchman | 2001-02-20 |
| 5052512 | Reversible control level linkage | Kevin Walker | 1991-10-01 |
| 5050448 | Wet flywheel housing | I. Bruce Kardal, Kevin Walker, Richard W. Koning | 1991-09-24 |
| 4907402 | Unloading system | — | 1990-03-13 |
| 4572215 | Splitter blade for threshing rotor | — | 1986-02-25 |
| 4492237 | Rotary combine | — | 1985-01-08 |
| D273385 | Rotary combine | — | 1984-04-10 |