Showing 1–7 of 7 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Wade Joseph Burken | Henderson Manufacturing | 2 |
| 2 | John Soppe | — | 1 |
| 2 | Jay Koester | Paladin Brands Group | 1 |
| 2 | Jeff Freiburger | AT&T | 1 |
| 2 | Karl Keuter | Unknown | 1 |
| 2 | Mart E. Ward | Henderson Products | 1 |
| 2 | Justin J. Turnis | John Deere | 1 |
Part of Iowa