Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5375109 | Magneto-optical recording and/or reproducing device | Friedhelm Zucker | 1994-12-20 |
| 5325350 | Pick-up for selectively reading and writing an optical recording medium having pits and magnetic domains | Friedhelm Zucker, Christian Buchler, Heinz-Jorg Schroder | 1994-06-28 |