Showing 1–6 of 6 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Nathan J. Horstman | John Deere | 6 |
| 2 | David J. Hoffmann | Rite-Hite Holding | 5 |
| 3 | Timothy D. Wodrich | John Deere | 2 |
| 3 | Todd R. Simms | John Deere | 2 |
| #5 | Brent Smith | John Deere | 1 |
| #5 | Steven Campbell | Rite-Hite Holding | 1 |
Part of Iowa