Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4254693 | Process and apparatus for manufacturing sheet packaging material for containers | Werner Schadowski | 1981-03-10 |
| 4239150 | Folding cartons for liquids | Werner Schadowski | 1980-12-16 |