Showing 1–7 of 7 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Charles J. Tekautz, Jr. | — | 2 |
| 1 | Daryl Lamppa | — | 2 |
| 3 | Jerome L. Kolstad | — | 1 |
| 3 | Herbert R. Lamppa | — | 1 |
| 3 | Charles H. Grant | Energy Sciences | 1 |
| 3 | Patti Jean Stoddard | — | 1 |
| 3 | Ed G. Borchardt | Baker Hughes Holdings | 1 |
Part of Minnesota