Showing 1–4 of 4 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Thomas Walter Spisak | Terex Usa | 2 |
| 2 | James Straatmeyer | — | 1 |
| 2 | Dale Nelson | — | 1 |
| 2 | David P. Groeneveld | Climate | 1 |
Part of South Dakota
5 patents · 4 inventors
Ranked #13,473 of 43,797 cities Top 35%
Showing 1–4 of 4 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Thomas Walter Spisak | Terex Usa | 2 |
| 2 | James Straatmeyer | — | 1 |
| 2 | Dale Nelson | — | 1 |
| 2 | David P. Groeneveld | Climate | 1 |
Part of South Dakota