Patents by Inventor William T Harrell

William T Harrell 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).

  • Self-contained illumination device for medicine containers
    Patent number: 7040776
    Abstract: A self-contained illumination device for illuminating medicine container labels in low-light level conditions is provided. The illumination means includes a light source component for illumination, an electrical switch component to control the light source, supporting circuitry components to energize the light source, and a housing structure for supporting and enclosing the components, directing the illumination to the label, and coupling the illumination device to a medicine container receptacle or a conventional medicine container cap.
    Type: Grant
    Filed: August 26, 2003
    Date of Patent: May 9, 2006
    Inventors: William T Harrell, Roy E Williams, Brian M Callies