Showing 1–2 of 2 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | John D. Downs | Shell Oil Compny | 7 |
| 2 | Mark L. Sadler | Commercial Intertech Limited | 2 |
Part of Illinois
9 patents · 2 inventors
Ranked #55,498 of 111,555 cities Top 50%
Showing 1–2 of 2 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | John D. Downs | Shell Oil Compny | 7 |
| 2 | Mark L. Sadler | Commercial Intertech Limited | 2 |
Part of Illinois