Showing 1–2 of 2 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Stefan Ritsche | Ing. Erich Pfeiffer Gmbh | 5 |
| 2 | Stefan Käfer | Ing. Erich Pfeiffer Gmbh | 2 |
7 patents · 2 inventors
Ranked #7,453 of 30,146 cities Top 25%
Showing 1–2 of 2 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Stefan Ritsche | Ing. Erich Pfeiffer Gmbh | 5 |
| 2 | Stefan Käfer | Ing. Erich Pfeiffer Gmbh | 2 |