Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6695249 | Hub for information media in strip or tape form | Bernd Scholtysik | 2004-02-24 |
| 5690225 | Support for annular bodies and support with stacked annular bodies | Gottfried Lutz, August Liepold, Regina Fischer, Hartmut Thiele, Dietmar Hubner | 1997-11-25 |
| 5108666 | Process for the production of a recording material | Gustav Klose | 1992-04-28 |
| 5040737 | Cutting and winding device for film strips | Bernd Scholtysik | 1991-08-20 |
| 4916565 | Magnetic tape cassette having improved closure means | Rudolf Breuer, Hubert Brunner, August Liepold, Albert Pertzsch | 1990-04-10 |
| 4884158 | Magnetic tape cassette having a spring-biased front panel and locking member | Albert Pertzsch, Hubert Brunner | 1989-11-28 |
| 4712150 | Tape cassette having a lock mechanism for locking a tape protective lid | Albert Pertzsch, Hubert Brunner | 1987-12-08 |
| 4623105 | Video cassette | Albert Pertzsch, Hubert Brunner | 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 | Albert Pertzsch, August Liepold, Hubert Brunner | 1986-07-22 |
| 4564120 | Magnetic tape cassette | Albert Pertzsch, August Liepold, Hubert Brunner | 1986-01-14 |
| 4527691 | Magnetic tape cassette | Albert Pertzsch, August Liepold, Hubert Brunner | 1985-07-09 |