Granted Patent
Utility
US 5,480,028 · App. 08/163,458
Stackable plastic container package
Inventor:
Gerald R. Robinson
Patented Case
View Patent ↗
Granted: Jan 2, 1996
Filed: Dec 8, 1993
Inventor
Gerald R. Robinson
Assignee (at issue)
Owens-Illinois Plastic Products 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.