Granted Patent
Utility
US 4,468,430 · App. 06/452,666
Asphalt shingle with glass fiber mat
Inventor:
Paul Ruede
Patented Case
View Patent ↗
Granted: Aug 28, 1984
Filed: Dec 23, 1982
Inventor
Paul Ruede
Assignee (at issue)
Owens-Corning Fiberglas Corp.
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.