Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4886718 | Device for reversible optical data storage | Manfred Eich | 1989-12-12 |
| 4837745 | Process for the reversible optical storage of data | Manfred Eich, Bernd Reck | 1989-06-06 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4886718 | Device for reversible optical data storage | Manfred Eich | 1989-12-12 |
| 4837745 | Process for the reversible optical storage of data | Manfred Eich, Bernd Reck | 1989-06-06 |