Granted Patent
Utility
US 6,219,705 · App. 09/288,949
System and method of collecting and maintaining historical top communicator information on a communication device
Inventors:
Robert Steinberger, Jaime Antonio Colom
Patented Case
View Patent ↗
Granted: Apr 17, 2001
Filed: Apr 9, 1999
Inventors
Robert Steinberger
Jaime Antonio Colom
Assignee (at issue)
PARADYNE 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.