Granted Patent
Utility
US 4,329,191 · App. 06/200,517
System for alphabetically labelling articles
Inventor:
Donald T. Barber
Patented Case
View Patent ↗
Granted: May 11, 1982
Filed: Oct 24, 1980
Inventor
Donald T. Barber
Assignee (at issue)
Datafile Limited
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.