Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5266407 | Magnetic recording media | Uwe Keppeler, Michael Bobrich, Helmut Auweter, Rudolf Suettinger, Albert Kohl +2 more | 1993-11-30 |
| 5266408 | Magnetic recording media | Uwe Keppeler, Helmut Auweter, Michael Bobrich, Jochen Rudolph, Gregor Brodt +3 more | 1993-11-30 |
| 5217810 | Magnetic recording medium having a magnetic layer containing chromium dioxide particles and linolenic acid | August Lehner, Rudolf Suettinger, Michael Bobrich, Hermann Roller, Werner Lenz +3 more | 1993-06-08 |
| 5096779 | Chromium dioxide material, its preparation and magnetic recording media containing this chromium dioxide material | Michael Mueller, Ekkehard Schwab, Helmut Auweter, Rainer Feser, Werner Huebner +2 more | 1992-03-17 |
| 5075179 | Magnetic recording media | August Lehner, Rudolf Suettinger, Michael Bobrich, Hermann Roller, Werner Lenz +3 more | 1991-12-24 |
| 4251411 | Process for the manufacture of organic polymer polyol | Gerhard Heinz, Wolfgang Jarre, Dietmar Nissen, Klaus Matthias, Hanshelmut Kaeppel | 1981-02-17 |