Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4645723 | Production of magnetic recording media possessing a backing coating, and magnetic recording media thus produced | Milena Melzer, Hermann Roller, Norbert Schneider, Horst Fitterer | 1987-02-24 |