Top Inventors at H. J. Langen & Sons 1989
Showing 1–4 of 4 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Marinus J. M. Langen | 5 |
| 1 | Peter Guttinger | 5 |
| 3 | Mihai M. Borza | 1 |
| 3 | Jacobus J. Langen | 1 |
Showing 1–4 of 4 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Marinus J. M. Langen | 5 |
| 1 | Peter Guttinger | 5 |
| 3 | Mihai M. Borza | 1 |
| 3 | Jacobus J. Langen | 1 |