Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4993555 | Pack, composite sheet for producing a pack, apparatus for producing the composite sheet, and process for producing vacuum packs | — | 1991-02-19 |
| 4927028 | Package having a tear-open strip | Gerhard Clausing, Heiko Pietzsch | 1990-05-22 |