Granted Patent
Utility
US 4,486,377 · App. 06/424,642
Process for reducing draw resonance in polymeric film
Inventors:
Peter J. Lucchesi, Stuart J. Kurtz, Ernest H. Roberts
Patented Case
View Patent ↗
Granted: Dec 4, 1984
Filed: Sep 27, 1982
Inventors
Peter J. Lucchesi
Stuart J. Kurtz
Ernest H. Roberts
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.