Showing 1–4 of 4 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Adrianus Theodorus Spruit | — | 3 |
| 2 | Robert Johannes Hijman | Lantor B.V. | 2 |
| 3 | Cornelius Arie Hoogendoorn | Van Zanten Plants B.V. | 1 |
| 3 | C. A. Hoogendorn | Van Staaveren B.V. | 1 |
7 patents · 4 inventors
Ranked #61,033 of 111,555 cities Top 55%
Showing 1–4 of 4 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Adrianus Theodorus Spruit | — | 3 |
| 2 | Robert Johannes Hijman | Lantor B.V. | 2 |
| 3 | Cornelius Arie Hoogendoorn | Van Zanten Plants B.V. | 1 |
| 3 | C. A. Hoogendorn | Van Staaveren B.V. | 1 |