Granted Patent
Utility
US 6,434,398 · App. 09/656,096
Method and apparatus for interactive audience participation at a live spectator event
Inventor:
Eric Inselberg
Patented Case
View Patent ↗
Granted: Aug 13, 2002
Filed: Sep 6, 2000
Inventor
Eric Inselberg
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.