Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4272948 | Oscillating knife cutting apparatus | Dale R. Dolberg | 1981-06-16 |
| 4249366 | Forage harvester header with upper stalk control | Dale R. Dolberg | 1981-02-10 |
| 4244161 | Harvester header with drive mechanism for oscillating knife cutters | — | 1981-01-13 |