Showing 1–7 of 7 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Mark Wismer | Truss Industry Production Systems | 12 |
| 1 | Clyde R. Fredrickson | Truss Industry Production Systems | 12 |
| 3 | Kent Carlson | Horton | 4 |
| #4 | Randy Waldner | — | 2 |
| #5 | David Walberg | Horton Industries | 1 |
| #5 | Drew Fredrickson | — | 1 |
| #5 | Jared Waldner | — | 1 |
Part of South Dakota