Showing 1–3 of 3 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Arnold W. J. Grupping | Unknown | 1 |
| 1 | Thomas M. Hoogendoorn | Hoogovens Groep B.V. | 1 |
| 1 | Dirk Engel | Gist-Brocades N.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 | Arnold W. J. Grupping | Unknown | 1 |
| 1 | Thomas M. Hoogendoorn | Hoogovens Groep B.V. | 1 |
| 1 | Dirk Engel | Gist-Brocades N.V. | 1 |