Granted Patent
Utility
US 6,357,504 · App. 09/364,252
Technology for attaching facing system to insulation product
Inventors:
Bharat Patel, Weigang Qi
Patented Case
View Patent ↗
Granted: Mar 19, 2002
Filed: Jul 29, 1999
Inventors
Bharat Patel
Weigang Qi
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.