Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5082689 | Production of magnetic recording media | Ludwig Kreitner, Werner Grau, August Lehner, Friedrich Sommermann, Norbert Schneider +1 more | 1992-01-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5082689 | Production of magnetic recording media | Ludwig Kreitner, Werner Grau, August Lehner, Friedrich Sommermann, Norbert Schneider +1 more | 1992-01-21 |