Granted Patent
Utility
US 5,543,911 · App. 08/305,228
Method of currency or document validation by use of an anti-counterfeiting magnetic viewing strip
Inventor:
Frederick J. Jeffers
Patented Case
View Patent ↗
Granted: Aug 6, 1996
Filed: Sep 13, 1994
Inventor
Frederick J. Jeffers
Assignee (at issue)
EASTMAN KODAK 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.