Granted Patent
Utility
US 4,610,914 · App. 06/632,675
Oriented films of blends of EVOH copolymer
Inventor:
David L. Newsome
Patented Case
View Patent ↗
Granted: Sep 9, 1986
Filed: Jul 19, 1984
Inventor
David L. Newsome
Assignee (at issue)
American Can Company
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.