Showing 1–3 of 3 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | David J. Blake | Amcol International | 1 |
| 1 | Ricky Rothermel | Halliburton Energy Services | 1 |
| 1 | Cory Muhm | Amcol International | 1 |
Part of South Dakota
3 patents · 3 inventors · 0.5/1k pop.
Ranked #11,009 of 28,648 cities Top 40%
Showing 1–3 of 3 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | David J. Blake | Amcol International | 1 |
| 1 | Ricky Rothermel | Halliburton Energy Services | 1 |
| 1 | Cory Muhm | Amcol International | 1 |
Part of South Dakota