Granted Patent
Utility
US 5,119,188 · App. 07/579,238
Digital audio-video presentation display system
Inventors:
Karl W. McCalley, Richard M. McNorgan, Allan Lodberg, Steven David Wilson, James L. Fischer
Patented Case
View Patent ↗
Granted: Jun 2, 1992
Filed: Sep 4, 1990
Inventors
Karl W. McCalley
Richard M. McNorgan
Allan Lodberg
Steven David Wilson
James L. Fischer
Assignee (at issue)
Telaction Corporation
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.