Granted Patent
Utility
US 6,189,789 · App. 09/149,709
Method and system for a merchandise checkout system
Inventors:
Frank Eliot Levine, Danny Marvin Neal
Patented Case
View Patent ↗
Granted: Feb 20, 2001
Filed: Sep 9, 1998
Inventors
Frank Eliot Levine
Danny Marvin Neal
Assignee (at issue)
International Business Machines 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.