Granted Patent
Utility
US 6,066,680 · App. 09/292,519
Extrudable composite of polymer and wood flour
Inventor:
Carroll W. Cope
Patented Case
View Patent ↗
Granted: May 23, 2000
Filed: Apr 15, 1999
Inventor
Carroll W. Cope
Assignee (at issue)
Marley Mouldings Inc.
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.