Granted Patent
Utility
US 4,008,347 · App. 05/482,321
Receptacle of foamed plastic lined with unoriented polyolefin film
Inventors:
Stephen W. Amberg, Frank S. Landers
Patented Case
View Patent ↗
Granted: Feb 15, 1977
Filed: Jun 24, 1974
Inventors
Stephen W. Amberg
Frank S. Landers
Assignee (at issue)
Owens-Illinois 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.