Showing 1–5 of 5 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Roy M. Stephen | Magic Green | 2 |
| 2 | Gary N. Allen | Unknown | 1 |
| 2 | Richard Lee Hilderbrandt | — | 1 |
| 2 | William D. Lowry | Unknown | 1 |
| 2 | Clayton Huckaba | — | 1 |
Part of Illinois
6 patents · 5 inventors · 5.4/1k pop.
Ranked #64,531 of 111,555 cities Top 60%
Showing 1–5 of 5 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Roy M. Stephen | Magic Green | 2 |
| 2 | Gary N. Allen | Unknown | 1 |
| 2 | Richard Lee Hilderbrandt | — | 1 |
| 2 | William D. Lowry | Unknown | 1 |
| 2 | Clayton Huckaba | — | 1 |
Part of Illinois