Granted Patent
Utility
US 5,502,757 · App. 08/173,813
Location dependent service for a wireless telephone
Inventors:
Bruce M. Bales, John C. Moran
Patented Case
View Patent ↗
Granted: Mar 26, 1996
Filed: Dec 22, 1993
Inventors
Bruce M. Bales
John C. Moran
Assignee (at issue)
AT&T CORP.
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.