Issued Patents All Time
Showing 51–53 of 53 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4670177 | Preparation of ferromagnetic chromium dioxide | Manfred Ohlinger, Peter Rudolf, Eugen Wettstein | 1987-06-02 |
| 4495246 | Acicular ferromagnetic chromium dioxide particles | Werner Steck, Jenoe Kovacs, Helmut Jakusch | 1985-01-22 |
| 4340494 | Process for the manufacture of ferromagnetic chromium dioxide | Manfred Ohlinger, Guenter Vaeth, Eugen Wettstein | 1982-07-20 |