Granted Patent
Utility
US 5,929,426 · App. 08/883,472
Magnetic card sensor for sensing presence of a card having a magnetic stripe and thickness complying with ISO standard
Inventor:
David C. May
Patented Case
View Patent ↗
Granted: Jul 27, 1999
Filed: Jul 25, 1997
Inventor
David C. May
Assignee (at issue)
NCR Corporation
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.