Showing 1–9 of 9 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Donald J. Miller | Paul Flum Ideas | 5 |
| 2 | Donald P. Rigney | Empire Comfort Systems | 2 |
| 3 | Robert H. Graebe | Unknown | 1 |
| 3 | Robert E. Halvachs | Mallinckrodt | 1 |
| 3 | Clifford R. Cairatti | Diagraph | 1 |
| 3 | Lloyd Maschhoff | Empire Comfort Systems | 1 |
| 3 | Thomas J. Nurdin | Roho | 1 |
| 3 | Ned R. Siegel | — | 1 |
| 3 | Robert J. Schrader | Dole Fresh Vegetables | 1 |
Part of Illinois