Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6371480 | Device for transporting sheet-like articles | Erwin Demmeler, Norbert Beck, Mario Mönch | 2002-04-16 |
| 5803446 | Method and apparatus for singling loose sheet material | Karl Leuthold, Karl Benker, Erwin Demmeler, Josef Geier | 1998-09-08 |