Granted Patent
Utility
US 6,647,687 · App. 09/778,488
Simulated log siding
Inventor:
Michael J. Kern
Patented Case
View Patent ↗
Granted: Nov 18, 2003
Filed: Feb 7, 2001
Inventor
Michael J. Kern
Assignee (at issue)
Poly-Foam International Incorporated
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.