Showing 1–6 of 6 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Frank P. Merkle | Merkle Engineers | 7 |
| 2 | Colin Peter Kelly | Elkay Manufacturing | 4 |
| 3 | Lynn D. Miller | — | 1 |
| 3 | Lyle E. Ertmer | — | 1 |
| 3 | Jasar Ahmedi | — | 1 |
| 3 | Dennis I. Mariasis | Trippe Manufacturing | 1 |
Part of Illinois