Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4874085 | Storage cassette for high storage density, disc-shaped information carriers | Hermann Grobecker, Werner Heher, Adelbert Zielasek | 1989-10-17 |
| 4535888 | Storage cassette for two or more disk-shaped high memory density information carriers | — | 1985-08-20 |