Granted Patent
Utility
US 6,783,409 · App. 10/258,121
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Inventor:
Stig Lönngren
Patented Case
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Granted: Aug 31, 2004
Filed: Oct 21, 2002
Inventor
Stig Lönngren
Assignee (at issue)
Rolls-Royce Corporation
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.