Granted Patent
Utility
US 5,682,196 · App. 08/493,845
Three-dimensional (3D) video presentation system providing interactive 3D presentation with personalized audio responses for multiple viewers
Inventor:
Michael J. Freeman
Patented Case
View Patent ↗
Granted: Oct 28, 1997
Filed: Jun 22, 1995
Inventor
Michael J. Freeman
Assignee (at issue)
ACTV 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.