Granted Patent
Utility
US 4,450,665 · App. 06/282,140
Interlocking building siding
Inventor:
Harry S. Katz
Patented Case
View Patent ↗
Granted: May 29, 1984
Filed: Jul 10, 1981
Inventor
Harry S. Katz
Assignee (at issue)
Vinyl Improvement Products Company
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.