Showing 1–6 of 6 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Allen E. Mackall | Buckeye Manufacturing | 5 |
| 1 | Richard L. Shafer | Buckeye Manufacturing | 5 |
| 3 | Clifford A. Ruff | Padana Ag | 3 |
| #4 | Stephen W. Price | — | 1 |
| #4 | John Benedetti | National Gypsum Properties | 1 |
| #4 | Herbert O. Gilmore | The Goodyear Tire & Rubber | 1 |
Part of Ohio