Showing 1–7 of 7 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | William R. Hoskinson | The Wurlitzer | 3 |
| 2 | Osvaldo F. Chierici | Holland | 2 |
| 3 | Herman Hamburger | — | 1 |
| 3 | James Gordon Nies | Verint Americas | 1 |
| 3 | Willis G. Groth | H.A. Phillips & | 1 |
| 3 | Ronald J. Junkas | — | 1 |
| 3 | George E. France | — | 1 |
Part of Illinois