Showing 1–7 of 7 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Lester C. Larson, Jr. | Rock River Arms | 7 |
| 2 | James K. Adamson | John Deere | 3 |
| 3 | Roger Urven | Caterpillar | 2 |
| #4 | Duane Herbert Ziegler | John Deere | 1 |
| #4 | Wesley Brands | John Deere | 1 |
| #4 | Matt White | Rock River Arms | 1 |
| #4 | Jeff Oligmueller | Case Gmbh | 1 |
Part of Illinois