Showing 1–4 of 4 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Gerd Jansen | W. Schlafhorst Ag & | 2 |
| 2 | Johann M. Heyer, deceased | Robert Bosch Gmbh | 1 |
| 2 | Hans W. Hutzen | — | 1 |
| 2 | Artur Polnik | — | 1 |
5 patents · 4 inventors
Ranked #68,584 of 111,555 cities Top 65%
Showing 1–4 of 4 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Gerd Jansen | W. Schlafhorst Ag & | 2 |
| 2 | Johann M. Heyer, deceased | Robert Bosch Gmbh | 1 |
| 2 | Hans W. Hutzen | — | 1 |
| 2 | Artur Polnik | — | 1 |