Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6024890 | Ferromagnetic pigments | Peter Poganiuch, Ekkehard Schwab, Wilma M. Dausch, Reinhard Korner | 2000-02-15 |
| 4981719 | Process for the production of a magnetic recording material | Horst Schulz, Hans-Heinrich Credner, Johannes Gerum | 1991-01-01 |