Showing 1–2 of 2 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Hans-Helmut Friedrich | Ciba-Geigy | 3 |
| 2 | Gerhard Melzer | Carl Schenck Ag | 1 |
4 patents · 2 inventors
Ranked #7,257 of 22,654 cities Top 35%
Showing 1–2 of 2 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Hans-Helmut Friedrich | Ciba-Geigy | 3 |
| 2 | Gerhard Melzer | Carl Schenck Ag | 1 |