Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4769731 | Recording medium with an envelope, and an identification part therefor | Klaus Schoettle, Dietrich Gruehn, Kurt Schmidts, Heinz Berger | 1988-09-06 |
| 4514937 | Method for the surface treatment of magnetic recording media | Manfred Gehrung, Klaus Schoettle, Peter Rudolf, Joachim Hack, Friedrich Anslinger | 1985-05-07 |