Showing 1–7 of 7 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Richard F. Sharp | The Charles Machine Works | 3 |
| 2 | Martin Roy Piel | The Charles Machine Works | 1 |
| 2 | Arthur D. Deken | The Charles Machine Works | 1 |
| 2 | Paul W. Knecht | The Charles Machine Works | 1 |
| 2 | Floyd R. Gunsaulis | The Charles Machine Works | 1 |
| 2 | Gregory W. Draper | Vermeer Manufacturing | 1 |
| 2 | Cody L. Sewell | The Charles Machine Works | 1 |
Part of Oklahoma