Showing 1–3 of 3 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Hans-Karl Petzel | Saarbergwerke Aktiengesellschaft | 3 |
| 1 | Ulrich Warnke | — | 3 |
| 3 | Julius Veit | Skw Trostberg | 1 |
7 patents · 3 inventors
Ranked #61,033 of 111,555 cities Top 55%
Showing 1–3 of 3 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Hans-Karl Petzel | Saarbergwerke Aktiengesellschaft | 3 |
| 1 | Ulrich Warnke | — | 3 |
| 3 | Julius Veit | Skw Trostberg | 1 |