Granted Patent
Utility
US 5,322,726 · App. 08/034,914
Coextruded film having high oxygen transmission rate
Inventor:
Jimmy S. Dew
Patented Case
View Patent ↗
Granted: Jun 21, 1994
Filed: Mar 19, 1993
Inventor
Jimmy S. Dew
Assignee (at issue)
James River Paper Company, 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.