Showing 1–7 of 7 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Lee Alan Hawkins | Maclean-Fogg | 1 |
| 1 | David Spangler | Agri-King | 1 |
| 1 | Gbenga Ayangbile | Agri-King | 1 |
| 1 | James F. Tobey, Jr. | Agri-King | 1 |
| 1 | Douglas G. Temple | John Deere | 1 |
| 1 | Mary Grzemski | Agri-King | 1 |
| 1 | Lucas Krueger | Agri-King | 1 |
Part of Illinois