Granted Patent
Utility
US 6,543,576 · App. 09/620,279
Multiple layer fiber filled sound absorber and a method of manufacturing the same
Inventors:
Cameron Gorrell Cofer, Goran Knut Knutsson, Kunio Komori, Yukihito Sakai
Patented Case
View Patent ↗
Granted: Apr 8, 2003
Filed: Jul 18, 2000
Inventors
Cameron Gorrell Cofer
Goran Knut Knutsson
Kunio Komori
Yukihito Sakai
Assignees (at issue)
Owens-Corning Fiberglas Technology, Inc.
Owens-Corning Sweden AB
FUTABA INDUSTRIAL CO., LTD.
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.