Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6223904 | Continuous process for recovering raw materials from coated foils, device for carrying out this process and foil materials recovered thereby | Oskar Stephan, Franz Weingart, Uwe Burkhardt, Heino Thiele, Norbert Muller +1 more | 2001-05-01 |
| 5364528 | Filter apparatus including filter cartridges and an inpermeable film bag | Guenther Kuntz | 1994-11-15 |
| 4775553 | Production of magnetic recording media | Jenoe Kovacs, Peter Engelhardt, Hermann Roller, Peter Nagel | 1988-10-04 |
| 4670080 | Process and apparatus for producing metal-laminated base material for printed circuit boards | Friedel Ueberberg, Rudolf Kuehne, Dieter Fischer | 1987-06-02 |