Granted Patent
Utility
US 6,802,389 · App. 10/011,103
Multi-density sound attenuating laminates and methods of making same
Inventors:
Graham Tompson, Surendra Khambete, Fred Skidmore, Bill Griffin
Patented Case
View Patent ↗
Granted: Oct 12, 2004
Filed: Dec 7, 2001
Inventors
Graham Tompson
Surendra Khambete
Fred Skidmore
Bill Griffin
Assignee (at issue)
Collins & Aikman Products Co.
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.