Granted Patent
Utility
US 4,266,382 · App. 06/040,177
Hardboard panel siding
Inventor:
Stephen J. Tellman
Patented Case
View Patent ↗
Granted: May 12, 1981
Filed: May 18, 1979
Inventor
Stephen J. Tellman
Assignee (at issue)
Champion International Corporation Limited
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.