Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6892942 | Roadside control device for a toll apparatus installed in a motor vehicle | Andreas Widl | 2005-05-17 |
| 6816707 | Debiting device for deducting tolls | Günther Weber, Bernd Grün, Andreas Widl | 2004-11-09 |
| 6388581 | Method and system for monitoring the proper operation of a debiting device | Günther Weber, Ralph Wolters | 2002-05-14 |
| 4246538 | Method of investigating the electrical resistivity of the ground and apparatus for use in the method | — | 1981-01-20 |