Showing 1–2 of 2 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Theodorus Jozef Maria Van Keken | Unknown | 2 |
| 2 | Wolter Schaap | — | 1 |
3 patents · 2 inventors
Ranked #79,433 of 111,555 cities Top 75%
Showing 1–2 of 2 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Theodorus Jozef Maria Van Keken | Unknown | 2 |
| 2 | Wolter Schaap | — | 1 |