Patents by Inventor David Roy Kessel

David Roy Kessel 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).

  • Device for identifying a person or an object
    Patent number: 7218241
    Abstract: The invention provides a device (10) for identifying a person or an object. The device (10) includes a transparent body (42), and embedded within the transparent body (42), a printed circuit board (PCB) (46), a plurality of light emitting diodes (LEDs) (48) electrically connected to the PCB (46), and a diffuser (16). The diffuser (16) is arranged to diffuse light emitted from the LEDs (48) thereby to illuminate the transparent body (42) to form a light source for identifying a person or an object attached to the device (10).
    Type: Grant
    Filed: July 25, 2002
    Date of Patent: May 15, 2007
    Inventors: David Roy Kessel, Lewton Levy