Granted Patent
Utility
US 5,978,451 · App. 08/792,185
Telecommunications functions management system providing selective alerting based on caller selected option
Inventors:
Richard Arthur Swan, John Wallace Marlow, Mendel Lazear Peterson, Jr.
Patented Case
View Patent ↗
Granted: Nov 2, 1999
Filed: Jan 30, 1997
Inventors
Richard Arthur Swan
John Wallace Marlow
Mendel Lazear Peterson, Jr.
Assignee (at issue)
Nortel Networks Limited
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.