Granted Patent
Utility
US 6,772,487 · App. 10/292,827
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Inventors:
RONALD BACHORSKI, Philip D. Keeley
Patented Case
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Granted: Aug 10, 2004
Filed: Nov 12, 2002
Inventors
RONALD BACHORSKI
Philip D. Keeley
Assignee (at issue)
International Engine Intellectual Property Company, LLC
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.