Showing 1–6 of 6 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Douglas R. O'Hara | Gkn Sinter Metals | 5 |
| 2 | Russell Alvin Watson | The Heil | 1 |
| 2 | Ronald B. Gerding | The Heil | 1 |
| 2 | Friedrich Popp | Wacker Chemie Ag | 1 |
| 2 | Sanders H. Moore | Olin | 1 |
| 2 | John A. Rodgers | Conoco | 1 |
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