Granted Patent
Utility
US 6,485,666 · App. 09/559,474
Post extrusion profile processing
Inventor:
William W. Rowley
Patented Case
View Patent ↗
Granted: Nov 26, 2002
Filed: Apr 27, 2000
Inventor
William W. Rowley
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.