Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6556918 | Method for identifying a place, and terminal and central unit therefor | Peter Stangier | 2003-04-29 |
| 6430555 | Method and device for data transmission between a central unit and a data terminal | Thorsten Gill, Werner Schulz, Derk Meyer | 2002-08-06 |