Showing 1–2 of 2 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Franz Keutgen | Mannesmann Ag | 10 |
| 2 | Heinz-Josef Leuwer | Mannesmann Ag | 4 |
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 | Franz Keutgen | Mannesmann Ag | 10 |
| 2 | Heinz-Josef Leuwer | Mannesmann Ag | 4 |