Issued Patents All Time
Showing 51–52 of 52 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4192468 | Feed roll assembly for a forage harvester | Allan K. Lawrence, Merlyn D. Bass, Jerry L. Krafka | 1980-03-11 |
| 4186889 | Forage harvester recutter screen | John J. Hennen, Jerry L. Krafka | 1980-02-05 |