Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5775435 | Apparatus for separating potatoes from other materials | Klemens Kalverkamp | 1998-07-07 |
| 5653633 | Screen conveyor for root crop harvester | Klemens Kalverkamp | 1997-08-05 |