Granted Patent
Utility
US 5,867,495 · App. 08/758,734
System, method and article of manufacture for communications utilizing calling, plans in a hybrid network
Inventors:
Isaac K. Elliott, Sridhar Krishnaswamy
Patented Case
View Patent ↗
Granted: Feb 2, 1999
Filed: Nov 18, 1996
Inventors
Isaac K. Elliott
Sridhar Krishnaswamy
Assignee (at issue)
MCI Communications 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.