Showing 1–6 of 6 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Elbert A. Willis | A.P. Green Industries | 1 |
| 1 | Carl A. Safford | — | 1 |
| 1 | Robert K. Liepse | — | 1 |
| 1 | James M. Bearden | A.P. Green Industries | 1 |
| 1 | Allen R. Davis | Weatherford/Lamb | 1 |
| 1 | Robert L. Heimann | Elisha Technologies Co | 1 |
Part of Missouri