Granted Patent
Utility
US 6,586,503 · App. 09/691,772
Composite products comprising cellulosic materials and synthetic resins and methods of making the same
Inventor:
Martin Grohman
Patented Case
View Patent ↗
Granted: Jul 1, 2003
Filed: Oct 18, 2000
Inventor
Martin Grohman
Assignee (at issue)
Correct Building Products, L.L.C.
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.