Granted Patent
Utility
US 5,655,007 · App. 08/363,041
Telephone based credit card protection
Inventor:
Alex McAllister
Patented Case
View Patent ↗
Granted: Aug 5, 1997
Filed: Dec 23, 1994
Inventor
Alex McAllister
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.