Showing 1–2 of 2 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Eric C. Springer | Copper John | 1 |
| 1 | John Robert Lease | — | 1 |
Part of South Dakota
2 patents · 2 inventors · 0.6/1k pop.
Ranked #14,912 of 30,146 cities Top 50%
Showing 1–2 of 2 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Eric C. Springer | Copper John | 1 |
| 1 | John Robert Lease | — | 1 |
Part of South Dakota