Patents by Inventor Frank Butenschon, III

Frank Butenschon, III has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 4909123
    Abstract: An instructional aid support and protective accessory for use with woodwind instruments which includes an elongated body portion which extends in substantially parallel and covering relationship with respect to the tone holes and/or keys of the instrument and to which is mounted a fingering guide having a plurality of spaced channels therein which are used to positively control the horizontal and vertical finger positioning relative to the tone holes and/or keys of the instrument.
    Type: Grant
    Filed: November 10, 1988
    Date of Patent: March 20, 1990
    Inventor: Frank Butenschon, III