Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5518201 | Method and apparatus for preventing air entrapment in a rolled web | Hajo Hagens, Thomas Heusel, Stefan Sinzig, Wolfgang Oberhausen | 1996-05-21 |
| 5039023 | Process and apparatus for winding a film web | Hajo Hagens, Wolfgang Oberhausen, Thomas Heusel, Stefan Sinzig | 1991-08-13 |
| 4830303 | Process and device for winding a film web | Hajo Hagens, Wolfgang Oberhausen | 1989-05-16 |