Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5996784 | Cigarette pack made from plastic film | Klaus Thoeren, Ruth Aey | 1999-12-07 |
| 4997661 | Flexible, internally pressurizable package, method of using same and liquid product packaged therein | Rolf Mueller, Walter H. Alban, Klaus-Juergen Hiltmann | 1991-03-05 |