Showing 1–7 of 7 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Darwin Gene Beachy | State Farm | 6 |
| 2 | D. Michael George | State Farm | 3 |
| 2 | Dar Beachy | State Farm | 3 |
| #4 | Darrell William Schapmire | Unknown | 2 |
| #4 | Eric D. Misfeldt | Caterpillar | 2 |
| #6 | Joseph Oswald | Caterpillar | 1 |
| #6 | Everett W. Coggins | — | 1 |
Part of Illinois