Granted Patent
Utility
US 5,131,781 · App. 07/653,007
Storage rack with improved beam-to-column connector
Inventor:
Herbert Klein
Patented Case
View Patent ↗
Granted: Jul 21, 1992
Filed: Feb 8, 1991
Inventor
Herbert Klein
Assignee (at issue)
Unarco Industries LLC
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.