Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5690773 | Method for the manufacture of a contact-free or hybrid card | Christiane Oi | 1997-11-25 |
| 5671525 | Method of manufacturing a hybrid chip card | — | 1997-09-30 |
| 5598032 | Hybrid chip card capable of both contact and contact-free operation and having antenna contacts situated in a cavity for an electronic module | — | 1997-01-28 |