Granted Patent
Utility
US 6,586,504 · App. 09/558,895
Wood and plastic composite material and methods for making same
Inventors:
Phil T. Archuletta, James H. Muehl
Patented Case
View Patent ↗
Granted: Jul 1, 2003
Filed: Apr 26, 2000
Inventors
Phil T. Archuletta
James H. Muehl
Assignee (at issue)
P & M Signs
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.