Showing 1–1 of 1 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Calvin F. Sprinkle | Porcelain Metals Corporation | 7 |
Part of Indiana
7 patents · 1 inventors · 8.6/1k pop.
Ranked #5,650 of 24,315 cities Top 25%
Showing 1–1 of 1 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Calvin F. Sprinkle | Porcelain Metals Corporation | 7 |
Part of Indiana