Showing 1–6 of 6 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Richard E. Jamrozy | Thrall Car Manufacturing | 5 |
| 2 | Eugene S. Stein | Amsted Industries Incorporated | 1 |
| 2 | Charles Cox | University Of Texas System | 1 |
| 2 | Robert J. Fahrig | Standard Oil Company (Indiana) | 1 |
| 2 | Marshall A. Nelson | — | 1 |
| 2 | Duane M. Schultz | Illinois Tool Works | 1 |
Part of Illinois