Showing 1–7 of 7 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Randy Black | Pella | 3 |
| 2 | Joel B. Douglas | Adc Telecommunications | 2 |
| 2 | Bryce Loring Heitman | GE | 2 |
| #4 | Joseph D. Stock | Vermeer Manufacturing | 1 |
| #4 | Sarah M. Layton | BOE | 1 |
| #4 | James R. Braunschweig | Maytag | 1 |
| #4 | Martin Kunkel | Elektrobit Automotive Gmbh | 1 |
Part of Iowa