Showing 1–3 of 3 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Robert E. Havens | Mehta Tech | 1 |
| 1 | George Chris Kistler | Lafarge Canada | 1 |
| 1 | Larry H. Matzen | — | 1 |
Part of Iowa
3 patents · 3 inventors · 0.7/1k pop.
Ranked #9,300 of 24,315 cities Top 40%
Showing 1–3 of 3 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Robert E. Havens | Mehta Tech | 1 |
| 1 | George Chris Kistler | Lafarge Canada | 1 |
| 1 | Larry H. Matzen | — | 1 |
Part of Iowa