Granted Patent
Utility
US 6,478,469 · App. 09/706,007
Velocity variance reducing multiple bearing arrangement for impeller shaft of centrifugal supercharger
Inventor:
Daniel W. Jones
Patented Case
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Granted: Nov 12, 2002
Filed: Nov 3, 2000
Inventor
Daniel W. Jones
Assignee (at issue)
Accessible Technologies, 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.