Granted Patent
Utility
US 6,527,014 · App. 09/724,423
Flexible duct insulation having improved flame resistance
Inventor:
Patrick Aubourg
Patented Case
View Patent ↗
Granted: Mar 4, 2003
Filed: Nov 28, 2000
Inventor
Patrick Aubourg
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.