Granted Patent
Utility
US 5,665,447 · App. 08/544,687
Sound screen insulation with asphalt septum
Inventors:
Gerald G. Greaves, Jeffrey J. Van Sloun, Catherine Ashley Barron, Charles R. Weir
Patented Case
View Patent ↗
Granted: Sep 9, 1997
Filed: Oct 18, 1995
Inventors
Gerald G. Greaves
Jeffrey J. Van Sloun
Catherine Ashley Barron
Charles R. Weir
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.