| 4717091 |
Tape cassette, in particular a video tape cassette, and a pressure spring therefor |
Klaus Schoettle, Herbert Dietze, Volker Frank, Oswald Waidele |
1988-01-05 |
| 4423454 |
Magnetic recording disk |
Peter Felleisen, Dieter Mayer, Eberhard Koester, Friedrich Domas |
1983-12-27 |
| 4382244 |
Device for magnetically orienting the magnetizable particles or magnetic recording media in a preferred direction |
Eberhard Koester, Dieter Schaefer, Karl Uhl, Roland Falk |
1983-05-03 |
| 4327139 |
Rigid magnetic recording disk having perfluoropolyether lubricant |
Dieter Schaefer, Herbert Motz, Dieter Mayer, Joachim Hack, Roland Falk |
1982-04-27 |
| 4275114 |
Magnetic recording medium and method of stabilization of chromium dioxide magnetic pigments |
Eduard Schoenafinger, Herbert Motz, Manfred Ohlinger, Werner Grau |
1981-06-23 |
| 4272563 |
Manufacture of magnetic recording media having a wear-resistant surface |
Werner Steck, Werner Loeser, Manfred Steuerwald, Gerd Wunsch |
1981-06-09 |
| 4271234 |
Iron oxide magnetic pigments for the production of magnetic coatings |
Eduard Schonafinger, Manfred Ohlinger, Helmut Jakusch, Jurgen Amort, Heinz Nestler +2 more |
1981-06-02 |
| 4201149 |
Apparatus for spin coating in the production of thin magnetic layers for magnetic discs |
Eberhard Koester, Roland Falk, Karl Uhl, Dieter Schaefer, Dieter Mayer +2 more |
1980-05-06 |
| 4201486 |
Process for the manufacture of magnetic recording media |
Werner Huebner, Job-Werner Hartmann, Friedrich Domas, Peter Nagel, Eberhard Koester +1 more |
1980-05-06 |
