Granted Patent
Utility
US 5,558,930 · App. 08/264,564
Heat sealable, high moisture barrier film and method of making same
Inventor:
James P. DiPoto
Patented Case
View Patent ↗
Granted: Sep 24, 1996
Filed: Jun 23, 1994
Inventor
James P. DiPoto
Assignee (at issue)
Tredegar Industries, 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.