Granted Patent
Utility
US 4,857,408 · App. 07/172,831
Meat adherable cook-in shrink film
Inventor:
Stephen J. Vicik
Patented Case
View Patent ↗
Granted: Aug 15, 1989
Filed: Mar 25, 1988
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.