Showing 1–2 of 2 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Erich Freytag | — | 13 |
| 2 | Rudolf Gumpp | Optrel Holding Ag | 1 |
14 patents · 2 inventors
Ranked #46,010 of 111,555 cities Top 45%
Showing 1–2 of 2 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Erich Freytag | — | 13 |
| 2 | Rudolf Gumpp | Optrel Holding Ag | 1 |