Showing 1–3 of 3 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Wilhelmus J. Ham | Hollandse Signaalapparaten B.V. | 1 |
| 1 | Antonius J. A. van der Weerdt | Naarden-International N.V. | 1 |
| 1 | Jacob T. Nagelhout | Hollandse Signaalapparaten B.V. | 1 |
3 patents · 3 inventors
Ranked #7,847 of 20,767 cities Top 40%
Showing 1–3 of 3 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Wilhelmus J. Ham | Hollandse Signaalapparaten B.V. | 1 |
| 1 | Antonius J. A. van der Weerdt | Naarden-International N.V. | 1 |
| 1 | Jacob T. Nagelhout | Hollandse Signaalapparaten B.V. | 1 |