Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6409857 | Device for manufacturing a composite sheet | Jörg Vonderheiden, Jens Schulz | 2002-06-25 |
| 6257296 | Pressure plate arrangement for production of multilayer corrugated cardboard | Manfred Schommler, Jurgen Becker-Viereck | 2001-07-10 |
| 5308434 | Sealing device for a pressure case used in a rotary machine | Martin Hoffmann | 1994-05-03 |