Granted Patent
Utility
US 4,329,388 · App. 06/069,867
Multilayer film
Inventors:
Stephen J. Vicik, William J. Kohler, James O. Funderburk, Jr.
Patented Case
View Patent ↗
Granted: May 11, 1982
Filed: Aug 27, 1979
Inventors
Stephen J. Vicik
William J. Kohler
James O. Funderburk, Jr.
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.