Showing 1–2 of 2 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Raymond L. Graf | S & M Precast | 3 |
| 2 | John Patrick Driver | Ssw Holding Company | 1 |
Part of Indiana
4 patents · 2 inventors · 2.1/1k pop.
Ranked #15,930 of 42,968 cities Top 40%
Showing 1–2 of 2 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Raymond L. Graf | S & M Precast | 3 |
| 2 | John Patrick Driver | Ssw Holding Company | 1 |
Part of Indiana