Showing 1–9 of 9 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Norman Robert Bergland | John Deere | 2 |
| 2 | Roderick James Jensen | John Deere | 1 |
| 2 | David Alden Skinner | John Deere | 1 |
| 2 | Alan D. Sheidler | John Deere | 1 |
| 2 | Merle Ray Gerber | John Deere | 1 |
| 2 | Anthony S. Boom | Kone | 1 |
| 2 | Clinton Byron Stroh | Eaton | 1 |
| 2 | John William Ackley, II | John Deere | 1 |
| 2 | John M. Bril | Montgomery Elevator | 1 |
Part of Illinois