Showing 1–8 of 8 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | James W. Humphreys | The Dial | 7 |
| 2 | Jay C. Petter | Pentwater Wire Products | 6 |
| 3 | Kurt L. Lohss | — | 5 |
| #4 | Laude E. Hartrum | Metal Works | 2 |
| #5 | Edmund Bargert | — | 1 |
| #5 | Kenneth N. Loeser | — | 1 |
| #5 | Chad Bruce Orde | — | 1 |
| #5 | Claude T. Schlick | — | 1 |
Part of Michigan