Showing 1–5 of 5 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | John S. Callahan | Tropicana Products | 2 |
| 2 | Salvatore S. Graziano | Bretford Manufacturing | 1 |
| 2 | Douglas K. Hillshaffer | Stepan | 1 |
| 2 | Mark Miklosz | Usg Interiors | 1 |
| 2 | Colin W. Haase | — | 1 |
Part of Illinois