Showing 1–9 of 9 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Richard A. Nortier | Sloan Valve | 3 |
| 2 | Mark D. Siegler | The Chamberlain Group | 2 |
| 3 | John D. Sharp | Millennium Pharmaceuticals | 1 |
| 3 | Raymond G. Darda | International Engine Intellectual Property Company | 1 |
| 3 | Sonya S. Johnson | Wm. Wrigley Jr. | 1 |
| 3 | Richard A. Knight | Gas Technology Institute | 1 |
| 3 | John E. Szydlo | Spx | 1 |
| 3 | Charles Petrishe | The Radio Flyer | 1 |
| 3 | Joseph Dastice | — | 1 |
Part of Illinois