Showing 1–10 of 10 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Charles R. Jackson | Inland Steel | 15 |
| 2 | Thomas C. Hunt | — | 6 |
| 3 | Ralph D. Heifner | Anaconda | 2 |
| #4 | Robert W. Markham | — | 1 |
| #4 | Kim A. Razor | — | 1 |
| #4 | Roger Smiley | — | 1 |
| #4 | Melvin A. Stoltzfus | — | 1 |
| #4 | Larry A. Ramsey | — | 1 |
| #4 | Thomas A. Goch | — | 1 |
| #4 | Bob D. Rector | — | 1 |
Part of Indiana