Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4453683 | Magnetic tape cassette arrangements | Dietmar Pfefferkorn, Eberhard Koester, Norbert Kreimes, Wilhelmus Andriessen, Herbert Wagner +1 more | 1984-06-12 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4453683 | Magnetic tape cassette arrangements | Dietmar Pfefferkorn, Eberhard Koester, Norbert Kreimes, Wilhelmus Andriessen, Herbert Wagner +1 more | 1984-06-12 |