Granted Patent
Utility
US 6,006,159 · App. 08/696,811
Public transit vehicle arrival information system
Inventors:
Kenneth Schmier, Paul Freda
Patented Case
View Patent ↗
Granted: Dec 21, 1999
Filed: Aug 13, 1996
Inventors
Kenneth Schmier
Paul Freda
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.