Showing 1–3 of 3 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | John F. Shumaker | J. I. Case | 7 |
| 2 | Robert S. Wettach | — | 1 |
| 2 | Keith H. Garretson | — | 1 |
Part of Iowa
9 patents · 3 inventors · 3.8/1k pop.
Ranked #2,460 of 15,417 cities Top 20%
Showing 1–3 of 3 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | John F. Shumaker | J. I. Case | 7 |
| 2 | Robert S. Wettach | — | 1 |
| 2 | Keith H. Garretson | — | 1 |
Part of Iowa