Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4515843 | Disc-shaped information carrier having a high storage density | Heinz Borchard, Herbert Knothe | 1985-05-07 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4515843 | Disc-shaped information carrier having a high storage density | Heinz Borchard, Herbert Knothe | 1985-05-07 |