Granted Patent
Utility
US 6,130,939 · App. 08/907,599
Apparatus and method for number portability call processing
Inventors:
Munir Cochinwala, Ernest S. Cohen
Patented Case
View Patent ↗
Granted: Oct 10, 2000
Filed: Aug 8, 1997
Inventors
Munir Cochinwala
Ernest S. Cohen
Assignee (at issue)
Telcordia Technologies, Inc.
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.