Showing 1–4 of 4 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Eldon Roth | Freezing Machines | 2 |
| 2 | Ralph F. Reeder, JR. | Custom Spine | 1 |
| 2 | Ralph R. Rogers | Thurston Manufacturing | 1 |
| 2 | Kenneth J. Cool | Acer Incorporated | 1 |
Part of South Dakota
5 patents · 4 inventors · 2.0/1k pop.
Ranked #10,868 of 34,820 cities Top 35%
Showing 1–4 of 4 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Eldon Roth | Freezing Machines | 2 |
| 2 | Ralph F. Reeder, JR. | Custom Spine | 1 |
| 2 | Ralph R. Rogers | Thurston Manufacturing | 1 |
| 2 | Kenneth J. Cool | Acer Incorporated | 1 |
Part of South Dakota