Showing 1–9 of 9 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Michael J. Freeman | Ford | 3 |
| 2 | Donald R. Varner | Asc Regenity Limited | 2 |
| 2 | David G. Hlavaty | General Motors | 2 |
| #4 | Adam W. Chaczyk | Babcock Industries | 1 |
| #4 | Charles O. Nehls | Unistrut International | 1 |
| #4 | Robert R. Roelofs | Ppg Industries Ohio | 1 |
| #4 | William B. Kindred | — | 1 |
| #4 | Joseph A. Marson | Michigan Bell Telephone | 1 |
| #4 | Thomas Bear | — | 1 |
Part of Michigan