Showing 1–10 of 10 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Henry Friesen | John Deere | 2 |
| 2 | Riccardo Acciville | — | 1 |
| 2 | Amos Fehr | — | 1 |
| 2 | Christopher E. Knapp | Norton | 1 |
| 2 | Angelo A. Bonetta | — | 1 |
| 2 | Frank Acciville | — | 1 |
| 2 | Michael P. Lococo | — | 1 |
| 2 | Ralph Bauer | Saint-Gobain Ceramics & Plastics | 1 |
| 2 | Rene G. Demers | Saint-Gobain Ceramics & Plastics | 1 |
| 2 | John S. Youngquist | Unknown | 1 |