Granted Patent
Utility
US 5,480,945 · App. 08/268,359
Amorphous nylon copolymer and copolyamide films and blends
Inventor:
Stephen J. Vicik
Patented Case
View Patent ↗
Granted: Jan 2, 1996
Filed: Jun 30, 1994
Inventor
Stephen J. Vicik
Assignee (at issue)
Viskase Companies, 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.