Showing 1–6 of 6 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | George H. Heidinger | Peabody Coal | 2 |
| 2 | Allen G. Hickman | — | 1 |
| 2 | Steven A. Gould | Northfield Laboratories | 1 |
| 2 | Brian J. Bert | — | 1 |
| 2 | Robert E. Heberlie | — | 1 |
| 2 | Gerald S. Moss | Northfield Laboratories | 1 |
Part of Illinois