Granted Patent
Utility
US 6,444,289 · App. 09/386,799
Perforated faced insulation assembly
Inventor:
Frederick R. Ernest
Patented Case
View Patent ↗
Granted: Sep 3, 2002
Filed: Aug 31, 1999
Inventor
Frederick R. Ernest
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.