Granted Patent
Utility
US 4,758,463 · App. 06/946,721
Cook-in shrink film
Inventors:
Stephen J. Vicik, Gary A. Rejniak
Patented Case
View Patent ↗
Granted: Jul 19, 1988
Filed: Dec 29, 1986
Inventors
Stephen J. Vicik
Gary A. Rejniak
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.