Showing 1–3 of 3 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Clyde W. Erickson | — | 2 |
| 2 | Cass Drebenstedt | Knauf Gips Kg | 1 |
| 2 | David L. Francis | Federal-Mogul Ignition Gmbh | 1 |
Part of Iowa
4 patents · 3 inventors · 32.3/1k pop.
Ranked #73,472 of 111,555 cities Top 70%
Showing 1–3 of 3 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Clyde W. Erickson | — | 2 |
| 2 | Cass Drebenstedt | Knauf Gips Kg | 1 |
| 2 | David L. Francis | Federal-Mogul Ignition Gmbh | 1 |
Part of Iowa