Showing 1–6 of 6 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Joel B. Douglas | Adc Telecommunications | 3 |
| 2 | Randy Black | Pella | 1 |
| 2 | Sarah M. Layton | BOE | 1 |
| 2 | Francis C. Cheo | Maytag | 1 |
| 2 | Chris P. Lickiss | Musco | 1 |
| 2 | Roger E. Daniels | John Deere | 1 |
Part of Iowa