Granted Patent
Utility
US 5,751,795 · App. 08/514,327
Broadcasting of information through telephone switching system display messages
Inventors:
Kerry W. Hassler, Paul L. Richman
Patented Case
View Patent ↗
Granted: May 12, 1998
Filed: Aug 11, 1995
Inventors
Kerry W. Hassler
Paul L. Richman
Assignee (at issue)
LUCENT TECHNOLOGIES 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.