Showing 1–6 of 6 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | David Margherio | Spartan Tool | 2 |
| 1 | Richard E. Deblois | Carus | 2 |
| 3 | Mark A. Des Rocher | Schlage Lock Company | 1 |
| 3 | Jared Lamkin | Caterpillar | 1 |
| 3 | Leroy W. Pryor | — | 1 |
| 3 | Horst Adolf | — | 1 |
Part of Illinois