Granted Patent
Utility
US 4,513,038 · App. 06/577,801
Multilayer film having a layer of low pressure, low density heterogeneous ethylene copolymers
Inventor:
John Anthony
Patented Case
View Patent ↗
Granted: Apr 23, 1985
Filed: Feb 7, 1984
Inventor
John Anthony
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.