Granted Patent
Utility
US 6,186,402 · App. 09/369,293
Credit and smart card readers
Inventor:
James J. Johnson
Patented Case
View Patent ↗
Granted: Feb 13, 2001
Filed: Aug 6, 1999
Inventor
James J. Johnson
Assignee (at issue)
Axiohm Transaction Solutions, 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.