Granted Patent
Utility
US 4,196,240 · App. 05/870,598
Heat shrinkable multilayer packaging film of blended copolymers and elastomers
Inventors:
Stanley Lustig, Stephen J. Vicik, William J. Kohler
Patented Case
View Patent ↗
Granted: Apr 1, 1980
Filed: Jan 18, 1978
Inventors
Stanley Lustig
Stephen J. Vicik
William J. Kohler
Assignee (at issue)
Union Carbide Corporation
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.