Showing 1–7 of 7 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Alvin Berger | Ford | 1 |
| 1 | Frederick J. Keller, Jr. | Carrier | 1 |
| 1 | Douglas P. Kruhoeffer | Unknown | 1 |
| 1 | Kelly G. Chandler | — | 1 |
| 1 | Thomas W. Good | Tonka | 1 |
| 1 | Robert D. Grove | Northstar Manufacturing Co. | 1 |
| 1 | Robert A. Ehlers | — | 1 |
Part of Minnesota