Granted Patent
Utility
US 6,426,309 · App. 09/223,670
Storm proof roofing material
Inventors:
David G. Miller, Carla A. Miller, Margaret M. Woodside, Frank J. Macdonald, James S. Belt, William Huykman
Patented Case
View Patent ↗
Granted: Jul 30, 2002
Filed: Dec 30, 1998
Inventors
David G. Miller
Carla A. Miller
Margaret M. Woodside
Frank J. Macdonald
James S. Belt
William Huykman
Assignee (at issue)
Owens-Corning Fiberglas Technology, Inc.
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.