Showing 1–16 of 16 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Don C. Burkman | Fsi Holdings | 2 |
| 1 | Fred C. Sittler | Rosemount | 2 |
| 1 | Bart T. Ellson | The Toro | 2 |
| 1 | William M. Jenson | Fsi Holdings | 2 |
| #5 | Robert E. Frey | Donaldson Company | 1 |
| #5 | Robert J. Schmitt | Osram Sylvania | 1 |
| #5 | Kenneth P. Zimba | — | 1 |
| #5 | Darel R. Geske | — | 1 |
| #5 | Jerry W. Scherfenberg | Dynamic Air | 1 |
| #5 | Bruce Mackedanz | Fsi International | 1 |
| #5 | Todd B. Thompson | — | 1 |
| #5 | Lynn W. Enquist | American Cyanamid | 1 |
| #5 | Bruce S. Johnson | Harsco | 1 |
| #5 | Michael C. Park | Imove | 1 |
| #5 | Larry N. Allen | Enzyme Bio Systems | 1 |
| #5 | Raymond K. Newkirk | Forward Technology Industries | 1 |
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