Granted Patent
Utility
US 4,777,540 · App. 06/840,692
Magnetic card reader with head stop arrangement
Inventor:
Bernard McCoy, Jr.
Patented Case
View Patent ↗
Granted: Oct 11, 1988
Filed: Mar 18, 1986
Inventor
Bernard McCoy, Jr.
Assignee (at issue)
American Magnetics, Inc.
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.