Showing 1–12 of 12 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Richard L. Weinbrenner | Brunswick Bowling & Billiards | 3 |
| 2 | Ronald Callan | Baldwin Web Controls | 2 |
| 2 | Charles W. Fennessy | Noma | 2 |
| #4 | George M. Butkovich | Case Gmbh | 1 |
| #4 | John C. Vande Velde | — | 1 |
| #4 | Mel S. Kristmann | R. R. Donnelley & Sons | 1 |
| #4 | Frank J. Lang | Federal Package Network | 1 |
| #4 | Joseph Vucko | Goss Graphic Systems Limited | 1 |
| #4 | Keng H. Leong | The University Of Chicago | 1 |
| #4 | Michael R. Dvorak | Safety Kleen | 1 |
| #4 | Juraj Pozek | — | 1 |
| #4 | Bobby W. Bishop, Jr. | — | 1 |
Part of Illinois