Showing 1–18 of 18 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Scott J. Cray | — | 7 |
| 2 | John E. Theisen | — | 5 |
| 2 | Virgil J. Scherping | Walker Stainless Equipment | 5 |
| #4 | Arthur R. Guggemos | Sterner Lighting Systems Incorporated | 3 |
| #5 | Kenneth F. Guggemos | Sterner Lighting Systems Incorporated | 2 |
| #5 | Ralph Millerbernd | — | 2 |
| #7 | Joan M. Barrie-Daigle | — | 1 |
| #7 | Gary J. Daigle | — | 1 |
| #7 | David G Panetti | — | 1 |
| #7 | Patrick A. Engle | — | 1 |
| #7 | Merle L. Painter | — | 1 |
| #7 | Ronald A. Greeley | — | 1 |
| #7 | Michael R. Specken | Sterner Lighting Systems Incorporated | 1 |
| #7 | Robert E. Kosek | Sterner Lighting Systems Incorporated | 1 |
| #7 | Larry P. Zimmerman | Sterner Lighting Systems Incorporated | 1 |
| #7 | Tracy Felder | Tylohelo | 1 |
| #7 | Paul Martin Backer | GE | 1 |
| #7 | Anthony Michael Elke | Rosemount | 1 |
Part of Minnesota