Showing 1–6 of 6 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Clark Lee | Grain Processing | 1 |
| 1 | Thomas Scipio | — | 1 |
| 1 | Russell J. Brooks | Ipsco Enterprises | 1 |
| 1 | Stewart A. Langewisch | Caterpillar | 1 |
| 1 | Jason L. Werning | White Consolidated Industries | 1 |
| 1 | Russell F. Hart | Litton Systems | 1 |
Part of Iowa