Patents by Inventor Betty Z. Simpson

Betty Z. Simpson 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: 5913683
    Abstract: A learning aid for teaching colors including a base member having a first plurality of illuminatable colored indicator areas positioned on the exterior surface of the base member, a wheel cavity partially defined by a cavity bottom surface having a cavity bottom surface center, and a bearing tube formed into the base member through the cavity bottom surface center; a rotatable color wheel having a bearing shaft rotatably positionable within the bearing tube, magnets positioned on an underside surface of the rotatable wheel that are spaced in graduated lengths from the wheel center of the rotatable wheel; and a visual and auditory verification circuit including magnetically actuated reed switches, a like first plurality of light illuminating elements, voice synthesizer circuits, and an activation switch, one illumination element being positioned beneath each one of the illuminatable colored indicator areas, each of the reed switches being mounted on the cavity bottom surface of the base member and spaced in gr
    Type: Grant
    Filed: April 1, 1997
    Date of Patent: June 22, 1999
    Inventors: Ruthie M. Rahmoune, Betty Z. Simpson