Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5014150 | Magnetic tape cassette having outer appearance modified by surface printing | Rudolf Breuer, Gottfried Lutz, Albert Pertzsch | 1991-05-07 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5014150 | Magnetic tape cassette having outer appearance modified by surface printing | Rudolf Breuer, Gottfried Lutz, Albert Pertzsch | 1991-05-07 |