Showing 1–2 of 2 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Gerold Anderka | Koh-I-Noor Rapidograph | 2 |
| 2 | Winfrid B. Jansen | U.S. Philips | 1 |
3 patents · 2 inventors
Ranked #7,847 of 20,767 cities Top 40%
Showing 1–2 of 2 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Gerold Anderka | Koh-I-Noor Rapidograph | 2 |
| 2 | Winfrid B. Jansen | U.S. Philips | 1 |