Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6632773 | Heat-sensitive recording materials and method for authenticity checking | Erich Kranz, Gerhard Stork, Michael Reimann, Wolfgang Wagner | 2003-10-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6632773 | Heat-sensitive recording materials and method for authenticity checking | Erich Kranz, Gerhard Stork, Michael Reimann, Wolfgang Wagner | 2003-10-14 |