Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4271660 | Combine conveyor apparatus | Melvin L. Kloefkorn, by Marvin V. Green, administrator | 1981-06-09 |
| D258500 | Conveyor slat member or similar article | by Melvin L. Kloefkorn, heir | 1981-03-10 |