Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5419959 | Magnetic recording medium having an infra-red light transparent balkcoat layer | Hermann Roller, Peter Heilmann, Michael Hitzfeld, Dieter Stockburger, Werner Latzel +4 more | 1995-05-30 |
| 5346761 | Flexible magnetic recording media having a backing coating containing a polyurethane resin having a phosphate group and precipated silica | Hermann Roller, Peter Engelhardt, Michael Bobrich, Werner Latzel, Werner Lenz +1 more | 1994-09-13 |
| 5136526 | Determination of the thickness of a magnetic tape | Juergen Klausmann | 1992-08-04 |
| 5085889 | Process for the preparation of magnetic particle dispersions using ball mills and grinding media | Horst Platz, Peter Engelhardt, Friedrich Sommermann, Albert Kohl, Juergen Klausmann +2 more | 1992-02-04 |
| 4647513 | Magnetic recording media | August Lehner, Albert Kohl, Werner Balz, Friedrich Sommermann, Milan Velic +1 more | 1987-03-03 |
| 4568612 | Magnetic recording media | August Lehner, Werner Balz, Werner Lenz, Helmut Kopke, Rudolf Bachmann +3 more | 1986-02-04 |
| 4568610 | Magnetic recording media | August Lehner, Werner Balz, Milan Velic, Helmut Kopke, Werner Grau | 1986-02-04 |
| 4567109 | Magnetic recording media | August Lehner, Milan Velic, Helmut Kopke, Werner Balz, Werner Lenz +1 more | 1986-01-28 |
| 4534999 | Production of magnetic recording media having a backing coating | Hermann Roller, August Lehner, Joachim Hack, Werner Grau, Werner Balz | 1985-08-13 |
| 4310371 | Process for the manufacture of a jacket for a flexible disk for data recording | Hans Appoldt, Werner Wagner, Karl P. Hauck | 1982-01-12 |
| 4304621 | Apparatus for the manufacture of a jacket for a flexible disk for data recording | Hans Appoldt, Werner Wagner, Karl P. Hauck | 1981-12-08 |