Patents by Inventor David M. Petillo

David M. Petillo 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).

  • Fret for stringed instruments
    Patent number: 6613969
    Abstract: One embodiment of the present invention is a fret adapted for insertion into a fingerboard of an instrument, the fret comprising: (a) a stem adapted to engage the fingerboard when inserted therein, the stem having one or more studs; and (b) a cap having a base joined to one end of the stem; wherein one or more of the studs comprises a wedge having a sloped side whose area has a quadrilateral shape.
    Type: Grant
    Filed: February 13, 2002
    Date of Patent: September 2, 2003
    Inventors: Phillip J. Petillo, David M. Petillo