Granted Patent
Utility
US 4,740,415 · App. 06/884,245
Low density polyethylene and linear low density polyethylene blended composition and articles prepared therefrom
Inventor:
Michael Hirschberger
Patented Case
View Patent ↗
Granted: Apr 26, 1988
Filed: Jul 10, 1986
Inventor
Michael Hirschberger
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.