Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5673039 | Method of monitoring vehicular traffic and of providing information to drivers and system for carring out the method | Heinz Werner Pietzsch, Rigobert Opitz, Jurgen Jaki | 1997-09-30 |
| 5020236 | Method of measuring the distance between the axles or wheels of a vehicle, and device for doing so | Harald Kauer, Knud Overlach, Siegfried Gassner | 1991-06-04 |