Showing 1–7 of 7 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Kim Charles Fietsam | Duke Manufacturing | 10 |
| 2 | Ronald K. Hampton, Jr. | — | 1 |
| 2 | David B. Gerfen | — | 1 |
| 2 | James P. Dietrich | — | 1 |
| 2 | Wayne S. Heinecke | — | 1 |
| 2 | Alan L. Sheldon | — | 1 |
| 2 | Allen H. Schlesinger | Aluminum Company Of America | 1 |
Part of Illinois