Showing 1–2 of 2 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Mark Curtis Tingley | Ingersoll Machine Tools | 5 |
| 2 | Marvin R. Mehler | Marathon Oil | 1 |
Part of Illinois
6 patents · 2 inventors · 12.6/1k pop.
Ranked #64,531 of 111,555 cities Top 60%
Showing 1–2 of 2 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Mark Curtis Tingley | Ingersoll Machine Tools | 5 |
| 2 | Marvin R. Mehler | Marathon Oil | 1 |
Part of Illinois