Patents by Inventor Madelyn T. Farrow

Madelyn T. Farrow 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).

  • Musical and lighted entertainment and exercise device
    Patent number: 5108340
    Abstract: An improvement in an entertainment and exercise device commonly referred to as a Hula Hoop, such improvement comprising the insertion within the tubular form of a variety of sensory appealing features, such as lighting and music.
    Type: Grant
    Filed: May 14, 1991
    Date of Patent: April 28, 1992
    Inventor: Madelyn T. Farrow