Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4243059 | Method and device for determining the homogeneity of magnetic dispersions | Fritz Hammon, Job-Werner Hartmann | 1981-01-06 |
| 4213959 | Manufacture of acicular, ferrimagnetic iron oxide | Rudolf Brodt, Helmut Jakusch, Eberhard Koester, Werner Loeser, Wilhelm Sarnecki +1 more | 1980-07-22 |
| 4212903 | Improving the magnetic properties of gamma-iron (III) oxide | Georg Schnell, Fritz Hammon | 1980-07-15 |
| 4200678 | Flexible multilayer magnetic recording medium | Philipp Pister, Franz Buettner, Fritz Hammon, Heinz Stritzinger, Job-Werner Hartmann +1 more | 1980-04-29 |
| 4188302 | Manufacture of acicular cobalt-modified magnetic iron oxide | Hans-Juergen Becker, Christof Jaeckh, Eberhard Koester, Werner Loeser, Werner Steck | 1980-02-12 |