Granted Patent
Utility
US 3,979,050 · App. 05/603,293
Multi-ply film articles
Inventor:
Phillip F. Cilia
Patented Case
View Patent ↗
Granted: Sep 7, 1976
Filed: Aug 11, 1975
Inventor
Phillip F. Cilia
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.