Granted Patent
Utility
US 5,553,864 · App. 07/887,715
User image integration into audiovisual presentation system and methodology
Inventor:
David H. Sitrick
Patented Case
View Patent ↗
Granted: Sep 10, 1996
Filed: May 22, 1992
Inventor
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.