Granted Patent
Utility
US 4,885,196 · App. 07/203,183
Three-layer cross-laminated film with foam core made by counter-rotating dies
Inventor:
Fox J. Herrington
Patented Case
View Patent ↗
Granted: Dec 5, 1989
Filed: Jun 7, 1988
Inventor
Fox J. Herrington
Assignee (at issue)
Mobil Oil 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.