Granted Patent
Utility
US 5,747,784 · App. 08/735,424
Method and apparatus for enhancing security in a self-service checkout station
Inventors:
Joanne S. Walter, Tracy L. Flynn
Patented Case
View Patent ↗
Granted: May 5, 1998
Filed: Oct 22, 1996
Inventors
Joanne S. Walter
Tracy L. Flynn
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.