Granted Patent
Utility
US 4,244,472 · App. 06/045,753
Stacked shipping unit
Inventor:
Philip Brown
Patented Case
View Patent ↗
Granted: Jan 13, 1981
Filed: Jun 5, 1979
Inventor
Philip Brown
Assignee (at issue)
Inland Container 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.