Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4735600 | Apparatus for separating and erecting folding boxes | Wolfgang Drewke | 1988-04-05 |
| 4554777 | Convertible-format packaging machine | Josef Denk, Walter Dietrich | 1985-11-26 |