Granted Patent
Utility
US 4,212,928 · App. 05/968,773
Wood-polymer composites
Inventor:
William Charles Arney, Jr.
Patented Case
View Patent ↗
Granted: Jul 15, 1980
Filed: Dec 12, 1978
Inventor
William Charles Arney, 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.