Showing 1–4 of 4 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Horst Eigruber | American Maplan | 1 |
| 1 | Delores Grubbs | — | 1 |
| 1 | Leonard F. Eck | Hein-Werner | 1 |
| 1 | Richard P. Zerger | Chevron | 1 |
Part of Kansas
4 patents · 4 inventors · 0.3/1k pop.
Ranked #7,257 of 22,654 cities Top 35%
Showing 1–4 of 4 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Horst Eigruber | American Maplan | 1 |
| 1 | Delores Grubbs | — | 1 |
| 1 | Leonard F. Eck | Hein-Werner | 1 |
| 1 | Richard P. Zerger | Chevron | 1 |
Part of Kansas