Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5619898 | Process and device for mechanically removing a layer from the substrate material of a disk-shaped information carrier | — | 1997-04-15 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5619898 | Process and device for mechanically removing a layer from the substrate material of a disk-shaped information carrier | — | 1997-04-15 |