Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4838010 | Electronics enclosure for an agricultural combine | Duane Herbert Ziegler, Dennis A. Kerckhove, Jerry W. Hansen | 1989-06-13 |
| 4517792 | Grain loss monitor sensor mounting arrangement for a combine | Duane Herbert Ziegler | 1985-05-21 |