Granted Patent
Utility
US 6,389,117 · App. 09/412,503
Single telephone number access to multiple communications services
Inventors:
Karen A. Gross, Thomas J. Galvan, Rupika Chib
Patented Case
View Patent ↗
Granted: May 14, 2002
Filed: Oct 7, 1999
Inventors
Karen A. Gross
Thomas J. Galvan
Rupika Chib
Assignee (at issue)
MCI WorldCom. 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.