Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4693052 | Apparatus for aseptic packaging | Otto Rothermel, Willi Stirnkorb | 1987-09-15 |
| 4690668 | Method and apparatus for making a butt seam having a cover strip on a tube of multi-layer packaging material | Helmut Weigold | 1987-09-01 |