Showing 1–7 of 7 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Darwin T. McKnight | Hoover Limited | 3 |
| 2 | Al Farrell | Aluminum Company Of America | 1 |
| 2 | Thomas Joseph | — | 1 |
| 2 | Earl Leiter | — | 1 |
| 2 | Thomas L. Davis | Carolina Power & Light | 1 |
| 2 | Daniel H. Olson | Snyder Laboratories | 1 |
| 2 | Arthur L. Backman | B. F. Goodrich | 1 |
Part of Ohio