| 5085889 |
Process for the preparation of magnetic particle dispersions using ball mills and grinding media |
Horst Platz, Peter Engelhardt, Albert Kohl, Juergen Klausmann, Reinhold Baur +2 more |
1992-02-04 |
| 5082689 |
Production of magnetic recording media |
Ludwig Kreitner, Werner Grau, August Lehner, Hans Reichert, Norbert Schneider +1 more |
1992-01-21 |
| 5064721 |
Magnetic recording media |
August Lehner, Albert Kohl, Hermann Roller, Werner Lenz, Ludwig Kreitner +2 more |
1991-11-12 |
| 4668586 |
Magnetic recording media |
Albert Kohl, Milena Melzer, August Lehner, Norbert Schneider, Eberhard Koester +2 more |
1987-05-26 |
| 4656093 |
Magnetic recording media |
August Lehner, Albert Kohl, Hermann Roller, Werner Balz, Eerhard Koester |
1987-04-07 |
| 4647513 |
Magnetic recording media |
August Lehner, Albert Kohl, Werner Balz, Milan Velic, Werner Grau +1 more |
1987-03-03 |
| 4567108 |
Magnetic recording media |
August Lehner, Helmut Kopke, Hermann Roller, Werner Balz, Werner Grau +1 more |
1986-01-28 |
