Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11449858 | Management, authentication and activation of a data carrier | Klaus Finkenzeller, Stephan Rasch, Hans-Jürgen Roth | 2022-09-20 |
| 11263302 | Transaction system | Klaus Finkenzeller, Stephan Rasch, Hans-Jürgen Roth | 2022-03-01 |
| 6625168 | SYSTEM AND METHOD FOR CONTROLLING AND MONITORING FIRST TELECOMMUNICATION TERMINAL DEVICES CONNECTED TO PRIVATE BRANCH EXCHANGES OR SECOND TELECOMMUNICATION TERMINAL DEVICES COUPLED TO LONG DISTANCE NETWORKS | Uwe Langer, Frank Schindel, Erwin Tanger, Rainer Zimmermann | 2003-09-23 |