Granted Patent
Utility
US 5,191,410 · App. 07/652,238
Interactive multimedia presentation and communications system
Inventors:
Karl W. McCalley, Steven David Wilson, James L. Fischer
Patented Case
View Patent ↗
Granted: Mar 2, 1993
Filed: Feb 5, 1991
Inventors
Karl W. McCalley
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.