Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5009925 | Process for the production of magnetic recording carriers | Ernst Grigat, Walter Meckel | 1991-04-23 |
| 4687709 | Magnetic recording carrier containing radiation hardenable dispersing agents | Hermann Brinkmeyer, Gerhard Hubler, Hermann Perrey, Heinrich Kober | 1987-08-18 |
| 4677030 | Magnetic storage medium | Johannes Gerum, Walter Meckel | 1987-06-30 |
| 4578280 | Process for the production of a magnetic recording material with perpendicular orientation | Joachim Greiner | 1986-03-25 |
| 4497007 | Magneto-optical storage process | Joachim Greiner | 1985-01-29 |
| 4477531 | Magnetic storage medium | Robert Kohler, Heinrich Kober, Karlchristian Schilffarth, Walter Meckel, Bernd Quiring | 1984-10-16 |
| 4465608 | Process for the production of magnetic dispersions containing binders | Johannes Gerum, Heinrich Kober, Robert Kohler | 1984-08-14 |
| 4404253 | Magnetic recording medium | Robert Kohler, Karlchristian Schilffarth, Heinrich Kober | 1983-09-13 |
| 4323621 | Magnetic recording medium | Heinrich Kober, Bernhard Seidel | 1982-04-06 |