Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4693385 | Sterilization-resistant glass container sealed with an aluminum composite film | Beat Karth | 1987-09-15 |
| 4673601 | Cold- or heat-sealable composite film for reclosable packages | Beat Karth, Werner Hiltbrunner | 1987-06-16 |