Showing 1–7 of 7 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Daniel David Horein | Unknown | 3 |
| 1 | Benjamin Berton Rund | Unknown | 3 |
| 1 | Edward William Cler | Unknown | 3 |
| #4 | Jay Schreiber | — | 1 |
| #4 | Ilyas M. Ayub | — | 1 |
| #4 | Edward C. Cler | — | 1 |
| #4 | Perry L. Christman | — | 1 |
Part of Illinois