Showing 1–5 of 5 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | David L. Witkewitz | Wm. Wrigley Jr. | 2 |
| 2 | Stanley Knapczyk | Motorola | 1 |
| 2 | Richard A. Tatina | Portec Rail Products | 1 |
| 2 | Hansen Mansy | Biomedical Acoustic Research | 1 |
| 2 | John G. Ciesar | Baseball Marketing Ideas, L.L.C. | 1 |
Part of Illinois