Showing 1–6 of 6 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Gary F. Thelen | Telefind | 8 |
| 2 | Richard H. Peterson | Unknown | 2 |
| 3 | David J. Goding | Electro-Motive Diesel | 1 |
| 3 | Richard A. Wydra | — | 1 |
| 3 | Albert V. Crewe | Arch Development | 1 |
| 3 | Michael Freitag | Unknown | 1 |
Part of Illinois