Granted Patent
Utility
US 6,523,324 · App. 09/813,373
Building panels with plastic impregnated paper
Inventor:
William H. Porter
Patented Case
View Patent ↗
Granted: Feb 25, 2003
Filed: Nov 2, 2000
Inventor
William H. Porter
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.