Showing 1–5 of 5 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | David D. Onan | Halliburton Energy Services | 2 |
| 2 | Bennie R. Evans | Unknown | 1 |
| 2 | Frederick Forbes Vannan | The Goodyear Tire & Rubber | 1 |
| 2 | Harry W. Layton | — | 1 |
| 2 | Richard Watson | Kci Licensing | 1 |
Part of Oklahoma