Showing 1–6 of 6 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Louis E. Ott | Standard Oil Company (Indiana) | 3 |
| 2 | Lee V. Binz | Barber-Greene | 2 |
| 3 | Alvin D. Mayerchin | Caterpillar | 1 |
| 3 | Bradley Richards | Caterpillar | 1 |
| 3 | Harley R. Tison | — | 1 |
| 3 | John C. Gee | Amoco | 1 |
Part of Illinois