Granted Patent
Utility
US 6,292,742 · App. 09/367,142
Transmission of localized traffic information
Inventors:
Josef Heimann, Werner Schulz, Stefan Vieweg
Patented Case
View Patent ↗
Granted: Sep 18, 2001
Filed: Aug 6, 1999
Inventors
Josef Heimann
Werner Schulz
Stefan Vieweg
Assignee (at issue)
Mannesmann AG
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.