Granted Patent
Utility
US 5,699,591 · App. 08/654,591
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Inventor:
Roger A. Kane
Patented Case
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Granted: Dec 23, 1997
Filed: May 29, 1996
Inventor
Roger A. Kane
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.