Showing 1–11 of 11 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Paul R. Pelfrey | Crane Plastics Company | 25 |
| 2 | Philip Cox | Sri International | 14 |
| 3 | Stephen E. See | Ashland Oil | 4 |
| #4 | Gary McIlvain | — | 2 |
| #4 | Ralph E. Allison | Bmi | 2 |
| #4 | Charles McIlvain | — | 2 |
| #4 | John Shannon Essman | Suncoke Technology And Development | 2 |
| #8 | James M. Delabar | Sunoco, Inc. (R&M) | 1 |
| #8 | John S. Essman | — | 1 |
| #8 | Neil A. Evans | — | 1 |
| #8 | William M. Wilburn | Unknown | 1 |
Part of Ohio