Showing 1–9 of 9 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Paul Jan Friday | Unknown | 4 |
| 2 | Robert C. Knapp | Gentex | 3 |
| 3 | Annette Bjorge | International Plant Management | 1 |
| 3 | G. Clark | — | 1 |
| 3 | Brian W. Pack | Leco | 1 |
| 3 | Randy Bjorge | International Plant Management | 1 |
| 3 | Kenneth L. Williams | Texas Instruments | 1 |
| 3 | Roger Don Bentley | Jenesis International | 1 |
| 3 | Theodore E. Hornus | Ausco Products | 1 |
Part of Michigan