Granted Patent
Utility
US 5,673,308 · App. 08/321,675
Personal phone number system
Inventor:
Hamid R. Akhavan
Patented Case
View Patent ↗
Granted: Sep 30, 1997
Filed: Oct 12, 1994
Inventor
Hamid R. Akhavan
Assignee (at issue)
Bell Atlantic Network Services
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.