Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4409169 | Method for manufacturing disk-shaped information carriers | Dieter Bartholdsten, Hermann Koop, Adelbert Zielasek | 1983-10-11 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4409169 | Method for manufacturing disk-shaped information carriers | Dieter Bartholdsten, Hermann Koop, Adelbert Zielasek | 1983-10-11 |