Granted Patent
Utility
US 6,385,883 · App. 09/587,963
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Inventor:
Earl Votolato
Patented Case
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Granted: May 14, 2002
Filed: Jun 6, 2000
Inventor
Earl Votolato
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.