Granted Patent
Utility
US 6,236,932 · App. 09/331,102
Process for completing and/or verifying data concerning the state of a road network; traffic information centre
Inventor:
Ulrich Fastenrath
Patented Case
View Patent ↗
Granted: May 22, 2001
Filed: Jun 16, 1999
Inventor
Ulrich Fastenrath
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.