Showing 1–7 of 7 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | David A. Hanson | Zimmer Spine | 3 |
| 2 | Paul Marvin Negley | Compressor Controls | 1 |
| 2 | John Meyer | Veran Medical Technologies | 1 |
| 2 | Dennis L. Bidney | Pioneer (Corteva) | 1 |
| 2 | Mark W. Welter | Ambico | 1 |
| 2 | Joseph R. Lebeda | Pioneer (Corteva) | 1 |
| 2 | David A. Payne | John Deere | 1 |
Part of Iowa