Showing 1–10 of 10 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | John W. Graber | Graber Products | 3 |
| 2 | Richard H. Hoops | Nelson Industrial | 2 |
| 3 | Gary D. Goplen | Nelson Industrial | 1 |
| 3 | Tadeusz Jaroszczyk | Nelson Industrial | 1 |
| 3 | Rajan A. Jaisinghani | Nelson Industrial | 1 |
| 3 | Kenneth M. Tofsland | Cummins Filtration Ip | 1 |
| 3 | Robert R. Badeau | Nicolet Instrument | 1 |
| 3 | Jeffrey S. Morgan | Nelson Industrial | 1 |
| 3 | Eric G. Gryttenholm | Nelson Industrial | 1 |
| 3 | Mary E. Phelps | WARF | 1 |
Part of Wisconsin