Granted Patent
Utility
US 4,766,296 · App. 07/043,938
Article checkout counter and system
Inventor:
Hans-Joachim Barth
Patented Case
View Patent ↗
Granted: Aug 23, 1988
Filed: Apr 29, 1987
Inventor
Hans-Joachim Barth
Assignee (at issue)
Checkrobot, 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.