Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4578052 | Method and apparatus to determine folding deviations | Andreas Engel, Frank Schumann, Werner K. Stiefel | 1986-03-25 |
| 4425110 | Drive arrangement for a folding device | Christian Gruger, Richard Thiele | 1984-01-10 |