Showing 1–4 of 4 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Klaus J. Kopnick | — | 2 |
| 2 | Rolf Sauter | Siemens Aktiengesellschaft | 1 |
| 2 | Ernst Bratenstein | U.S. Philips | 1 |
| 2 | Gerald Grotsch | J.S. Staedtler Gmbh & Co. Kg | 1 |
5 patents · 4 inventors
Ranked #5,799 of 20,767 cities Top 30%
Showing 1–4 of 4 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Klaus J. Kopnick | — | 2 |
| 2 | Rolf Sauter | Siemens Aktiengesellschaft | 1 |
| 2 | Ernst Bratenstein | U.S. Philips | 1 |
| 2 | Gerald Grotsch | J.S. Staedtler Gmbh & Co. Kg | 1 |