Showing 1–11 of 11 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Robert C. Allen | Masonite | 15 |
| 2 | Robert G. Kopp | Suncast Technologies | 8 |
| 3 | David Matthew Roenspies | Progress Rail Locomotive | 7 |
| #4 | Mary Jane Hibben | Swimc | 2 |
| #5 | Scott Steven Boan | — | 1 |
| #5 | Brian Mrzyglod | Cabot Microelectronics | 1 |
| #5 | William Mark Batts | Inventus Power | 1 |
| #5 | Mark A. Hentschel | Robertshaw Controls | 1 |
| #5 | Robert Kephart | Fermi Research Alliance | 1 |
| #5 | Clifton R. Howell | Illinois Tool Works | 1 |
| #5 | Robert M. Sobel | Hairmarker | 1 |
Part of Illinois