Showing 1–11 of 11 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Philip G. Martin | 3M | 2 |
| 1 | Martin P. McCormick | Graco Minnesota | 2 |
| 1 | Thomas A. Kerrick | Tsi Group Co. | 2 |
| #4 | Philip H. Mattison | Core Products International | 1 |
| #4 | David L. Copham | — | 1 |
| #4 | William L. Zemke | Andersen | 1 |
| #4 | Troy C. Olson | — | 1 |
| #4 | David Nickelson | — | 1 |
| #4 | David A. Swan | Federal-Hoffman | 1 |
| #4 | Stephen E. Moorman | Georgia-Pacific | 1 |
| #4 | Mark J. Giebler | 3M | 1 |
Part of Minnesota