Showing 1–5 of 5 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Jared L. Rowland | Kann Manufacturing | 3 |
| 2 | Robert Schmerbach | — | 1 |
| 2 | Norbert R. Borcherding | — | 1 |
| 2 | Christopher Huisman | Tomy International | 1 |
| 2 | Joseph Sapulich | Tomy International | 1 |
Part of Iowa