Granted Patent
Utility
US 5,416,471 · App. 07/993,759
Method and apparatus for programming a spare key into a security system
Inventors:
William David Treharne, Ronald G. Moore
Patented Case
View Patent ↗
Granted: May 16, 1995
Filed: Dec 21, 1992
Inventors
William David Treharne
Ronald G. Moore
Assignee (at issue)
Ford Motor Company
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.