| 5601647 |
Production of a magnetic recording medium |
Reinhard Kraetschmer, Michael Breitsameter, Siegfried Rieger |
1997-02-11 |
| 5466542 |
A magnetic recording medium |
Reinhard Kraetschmer, Josef Schelble |
1995-11-14 |
| 5014150 |
Magnetic tape cassette having outer appearance modified by surface printing |
Rudolf Breuer, Gottfried Lutz, Helmut Schultz |
1991-05-07 |
| 4916565 |
Magnetic tape cassette having improved closure means |
Rudolf Breuer, Hubert Brunner, August Liepold, Ludwig Zeroni |
1990-04-10 |
| 4884158 |
Magnetic tape cassette having a spring-biased front panel and locking member |
Hubert Brunner, Ludwig Zeroni |
1989-11-28 |
| 4712150 |
Tape cassette having a lock mechanism for locking a tape protective lid |
Ludwig Zeroni, Hubert Brunner |
1987-12-08 |
| 4623105 |
Video cassette |
Hubert Brunner, Ludwig Zeroni |
1986-11-18 |
| 4602303 |
Cover for the light channel for a device for switching-off a magnetic cassette tape at the end of its run |
August Liepold, Hubert Brunner, Ludwig Zeroni |
1986-07-22 |
| 4564120 |
Magnetic tape cassette |
August Liepold, Hubert Brunner, Ludwig Zeroni |
1986-01-14 |
| 4527691 |
Magnetic tape cassette |
August Liepold, Hubert Brunner, Ludwig Zeroni |
1985-07-09 |
| 4473198 |
Spool for video cassette |
August Liepold, Hubert Brunner |
1984-09-25 |
| 4336278 |
Method for coating magnetic, binder-containing dispersions on flexible substrates |
Siegfried Rieger, Friedrich Ankenbrand |
1982-06-22 |