Patents by Inventor Juan Carlos C. Muzzi

Juan Carlos C. Muzzi 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).

  • Helical spring pressure activated musical toy
    Patent number: 5431591
    Abstract: An educational and amusement device for the development of a sense of rhythm with eye and hand coordination is described. An embodiment device combines the action of a helical spring with a pressure-actuated tone generator, annunciated through a transducer in the form of a musical melody.
    Type: Grant
    Filed: February 1, 1994
    Date of Patent: July 11, 1995
    Inventor: Juan Carlos C. Muzzi