Granted Patent
Utility
US 5,809,121 · App. 08/581,739
System and method for generating a network call identifier
Inventors:
Isaac K. Elliott, Randall Ethier, Louis G. Gottlieb, Ed Pickeral
Patented Case
View Patent ↗
Granted: Sep 15, 1998
Filed: Dec 29, 1995
Inventors
Isaac K. Elliott
Randall Ethier
Louis G. Gottlieb
Ed Pickeral
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.