Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4629632 | Production of magnetic recording media | Werner Balz, Jenoe Kovacs, Dieter Schaefer, Ingolf Buethe | 1986-12-16 |
| 4254585 | Process and apparatus for the surface treatment of flexible magnetic recording media | Klaus Schoettle, Wulf Muenzner, Dieter Woeppel, Lothar Gliniorz | 1981-03-10 |