Granted Patent
Utility
US 6,724,872 · App. 10/022,940
Personalized messages over Internet call waiting
Inventors:
Darryl Cynthia Moore, Linda Roberts, Anita Hogans Simpson
Patented Case
View Patent ↗
Granted: Apr 20, 2004
Filed: Dec 17, 2001
Inventors
Darryl Cynthia Moore
Linda Roberts
Anita Hogans Simpson
Assignee (at issue)
BELLSOUTH INTELLECTUAL PROPERTY 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.