Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5215638 | Rotating magnetron cathode and method for the use thereof | — | 1993-06-01 |
| 5118549 | Optical recording medium | Rainer Ludwig, Michael Geisler, Michael Jung | 1992-06-02 |
| 4956216 | Optical recording medium | Rainer Ludwig, Michael Geibler, Michael Jung | 1990-09-11 |