Top Inventors at P. Kooij & Zonen B.V. All Time
Showing 1–3 of 3 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Jacob Johannes Heil | 6 |
| 2 | Franciscus Jacobus Joseph van der Helm | 5 |
| 3 | Johan Edwin Heil | 2 |
Showing 1–3 of 3 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Jacob Johannes Heil | 6 |
| 2 | Franciscus Jacobus Joseph van der Helm | 5 |
| 3 | Johan Edwin Heil | 2 |