Showing 1–9 of 9 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | John W. Wirtz | Wirtz Manufacturing Company | 2 |
| 1 | Andrew Habedank | Unknown | 2 |
| 3 | Douglas A. Crosby | Crosby Innovations | 1 |
| 3 | Roel Mendoza | Wirtz Manufacturing Company | 1 |
| 3 | Paul R. Henion | Smr Patents S.À.R.L. | 1 |
| 3 | John O. Wirtz | Wirtz Manufacturing Company | 1 |
| 3 | David Squires | Ripley Tools | 1 |
| 3 | Alexis BAKER | University of Michigan | 1 |
| 3 | John McKenzie | — | 1 |
Part of Michigan