Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9059503 | Antenna arrangement for transmitting signals | Dirk Plettemeier, Ting Liang | 2015-06-16 |
| 6098890 | Method and device for adapting a chip card to different card terminals | Hans-Diedrich Kreft, Ingo Bade, Jurgen Wesenberg | 2000-08-08 |
| 4698996 | Method for calibrating an electronic position transmitter | Hans-Diedrich Kreft, Holger Mackenthun, Thorten Baik, Thomas Niznik | 1987-10-13 |
| 4697183 | Means for non-contacting signal and energy transmission | Holger Mackenthun | 1987-09-29 |