Showing 1–6 of 6 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Gene Allen Corle | Douglas Machine | 3 |
| 2 | Bertrum England | Illinois Tool Works | 2 |
| 2 | Ryan John Zitzmann | Douglas Scientific | 2 |
| 2 | Karen D. Rau | Unknown | 2 |
| #5 | Anthony Sanborn | Douglas Scientific | 1 |
| #5 | Loren A. Anderson | — | 1 |
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