×

Method and apparatus for interactive audience participation at a live entertainment event

  • US 20090061917A1
  • Filed: 08/18/2008
  • Published: 03/05/2009
  • Est. Priority Date: 09/06/2000
  • Status: Active Grant
First Claim
Patent Images

1-87. -87. (canceled)

View all claims
  • 5 Assignments
Timeline View
Assignment View
    ×
    ×