Granted Patent
Utility
US 6,650,903 · App. 09/854,267
Method and apparatus for interactive audience participation at a live spectator event
Inventor:
Eric Inselberg
Patented Case
View Patent ↗
Granted: Nov 18, 2003
Filed: May 11, 2001
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.