Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5669521 | Sealing cover having a separation layer for releasing and aluminum foil from an opening of a container | Heinz-Rudolf Wiening | 1997-09-23 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5669521 | Sealing cover having a separation layer for releasing and aluminum foil from an opening of a container | Heinz-Rudolf Wiening | 1997-09-23 |