Showing 1–2 of 2 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Norbert Rolff | Inficon Ag | 20 |
| 2 | Hans Betzing | A Nattermann & Cie Gmbh | 15 |
35 patents · 2 inventors
Ranked #29,204 of 111,555 cities Top 30%
Showing 1–2 of 2 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Norbert Rolff | Inficon Ag | 20 |
| 2 | Hans Betzing | A Nattermann & Cie Gmbh | 15 |