Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4357378 | Magnetic recording media | Guenter Vaeth, Rudolf Bachmann, Werner Senkpiel, Hans-Joerg Hartmann, Roland Falk | 1982-11-02 |
| 4327139 | Rigid magnetic recording disk having perfluoropolyether lubricant | Dieter Schaefer, Dieter Mayer, Paul Deigner, Joachim Hack, Roland Falk | 1982-04-27 |
| 4320171 | Magnetic recording media containing elastomeric polyurethane binders in the magnetic coating | August Lehner, Heinrich Hartmann, Rudolf Bachmann, Hans-Joerg Hartmann, Harald Frischmann +4 more | 1982-03-16 |