Granted Patent
Utility
US 5,115,888 · App. 07/650,167
Self-serve checkout system
Inventor:
Howard Schneider
Patented Case
View Patent ↗
Granted: May 26, 1992
Filed: Feb 4, 1991
Inventor
Howard Schneider
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.