Showing 1–6 of 6 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Earl O. Schweitzer | — | 1 |
| 1 | Martin Graf | Grob & Co. Aktiengesellschaft | 1 |
| 1 | Bruce R. Knox | Ardac, Incorporated | 1 |
| 1 | John D. Edick | — | 1 |
| 1 | John D. Geither | Picker International | 1 |
| 1 | Robert G. Henderson | Allen-Bradley Company | 1 |
Part of Ohio