Granted Patent
Utility
US 6,636,160 · App. 09/884,895
Transit information display system
Inventor:
Randy Brei
Patented Case
View Patent ↗
Granted: Oct 21, 2003
Filed: Jun 19, 2001
Inventor
Randy Brei
Assignee (at issue)
Siemens Transportation Systems, Inc.
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.