Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4360377 | Ferromagnetic metal particles, consisting essentially of iron and carrying a surface coating, and their production | Hermann Roller, Wilhelm Sarnecki, Werner Balz | 1982-11-23 |
| 4344791 | Manufacture of acicular ferromagnetic iron particles | Wilhelm Sarnecki, Laszlo Marosi, Manfred Ohlinger, Werner Loeser | 1982-08-17 |