Showing 1–4 of 4 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | John J. Richardson | Amvac Chemical | 2 |
| 2 | Richard W. Brahler, II | Gaither Tool Company | 1 |
| 2 | Michael Hartman | Gametech International | 1 |
| 2 | Kenneth A. Toney | S.C. Johnson Home Storage | 1 |
Part of Illinois