Patents by Inventor Darwin D. Brunkow

Darwin D. Brunkow 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: 3988958
    Abstract: A body having an elongated bottom surface adapted to rest upon the thumb of a musician's hand, and a clamping screw-equipped bridge element on the top of the body for securing the body to the thumb rest usually mounted on musical wind instruments of the type including clarinets, oboes, and others.
    Type: Grant
    Filed: May 1, 1975
    Date of Patent: November 2, 1976
    Inventor: Darwin D. Brunkow