Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6778407 | Portable data carrier | Manfred Fries, Frank Puschner, Annemarie Seidl | 2004-08-17 |
| 6719205 | Carrier element for a semiconductor chip for incorporation into smart cards | Frank Puschner, Josef Heitzer | 2004-04-13 |