Showing 1–6 of 6 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Daniel Chambers | Vaughan & Bushnell Manufacturing | 7 |
| 2 | Mark C. Rauschert | — | 2 |
| 2 | Alan W. Lochmiller | — | 2 |
| #4 | James Nicholas | — | 1 |
| #4 | Harold Helms | — | 1 |
| #4 | Fred Edmund Smith | — | 1 |
Part of Illinois