Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6238200 | Sizing device for plastic blow molding machines | — | 2001-05-29 |
| 4923385 | Blow molding machine | — | 1990-05-08 |
| 4871492 | Method for aligning blow mandrel | — | 1989-10-03 |
| 4726137 | Cleaning device for guns | Rudolf Zurek, Ferenc Kotai, Leonhard Pongratz | 1988-02-23 |
| 4674396 | Loading device for large caliber weapons | Leonhard Pongratz, Ulrich Degener, Ferenc Kotai | 1987-06-23 |