Showing 1–6 of 6 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Jeffery E. Schiedegger | Mid-America Building Products | 1 |
| 1 | David D. Apfel | L&L Products | 1 |
| 1 | Andrew L. Patrius, Jr. | Ligon Brothers Manufacturing | 1 |
| 1 | Robert A. Dayton | Eaton | 1 |
| 1 | William Brabenec | — | 1 |
| 1 | Lawrence M. Refior | Key Safety Systems | 1 |
Part of Michigan