Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5363961 | Device for storing magnetic tape cassettes | Torsten Bieck, Christoph Stephan, Otto Stephan, heir, Isle Stephan, heir | 1994-11-15 |
| 5139146 | Container for magnetic tape cassettes with cassette lock | Wilfried Weber, Hans-Peter Heizmann, Wolfgang Nehl, Hartmut Rothfuss | 1992-08-18 |