Patents by Inventor Berardo Massari

Berardo Massari 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: 4786983
    Abstract: A system of recording and playing cassettes consisting of a double-track tape, one track on which the musical accompaniment has been recorded being unerasable and the other clean so that the user can record his own voice on it accompanied by the recorded music.
    Type: Grant
    Filed: May 17, 1982
    Date of Patent: November 22, 1988
    Inventor: Berardo Massari
  • Patent number: 4471506
    Abstract: A toothbrush whose cleaning head can be set at various angles in relation to the handle, especially at 90.degree., and is interchangeable.
    Type: Grant
    Filed: May 17, 1982
    Date of Patent: September 18, 1984
    Inventor: Berardo Massari
  • Patent number: 4457039
    Abstract: A toothbrush the handle of which is set back in relation to the cleaning head and is so shaped as to afford optimum adaption to the anatomy of the face and of the hand.
    Type: Grant
    Filed: May 17, 1982
    Date of Patent: July 3, 1984
    Inventor: Berardo Massari