Showing 1–7 of 7 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Jeffrey P. Krall | Neurolens | 2 |
| 2 | Edward G. Scherrer | — | 1 |
| 2 | Andrew Robert Scherrer | — | 1 |
| 2 | Curtis A. Strand | Vermeer Manufacturing | 1 |
| 2 | Patrick GERAETS | Dakota Manufacturing Company | 1 |
| 2 | Robert D. Johnson | Sunpower | 1 |
| 2 | Scot J. Vander Pol | Trail King Industries | 1 |
Part of South Dakota