Granted Patent
Utility
US 6,425,825 · App. 09/184,600
User image integration and tracking for an audiovisual presentation system and methodology
Inventor:
David H. Sitrick
Patented Case
View Patent ↗
Granted: Jul 30, 2002
Filed: Nov 2, 1998
Inventor
David H. Sitrick
Assignee (at issue)
David H. Sitrick
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.