Showing 1–9 of 9 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Howard F. Moore | Marathon Ashland Petroleum | 2 |
| 1 | William T. Welch | Ashland | 2 |
| 3 | Gerald O. Henderson | Ashland Oil | 1 |
| 3 | Sharon L. Mayo | Ashland | 1 |
| 3 | Richard J. Baumgart | Ashland | 1 |
| 3 | Charles R. Gannon | Ashland Oil | 1 |
| 3 | David P. Wesley | Ashland | 1 |
| 3 | Ronald F. Bramblett | — | 1 |
| 3 | Terry L. Goolsby | The M.W. Kellogg | 1 |
Part of Kentucky