Issued Patents 2004
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6718466 | Data medium with restorable original base data content, and method for its production | Arno Duwe, Erwin Koenen, Heinz Schouten | 2004-04-06 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6718466 | Data medium with restorable original base data content, and method for its production | Arno Duwe, Erwin Koenen, Heinz Schouten | 2004-04-06 |