Patents by Inventor John D. Biggs

John D. Biggs 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: 5018057
    Abstract: A light module adapted to provide light temporarily in a confined space comprises a generally oblong and relatively thin housing that retains a bulb for providing a source of light, a power source sufficient to activate the bulb, and an electrical control circuit. The circuit includes a touch sensitive sensor for closing a circuit between the bulb and the power source to turn on the bulb, and a timer for opening the circuit to automatically turn off the bulb after it has been on for a predetermined period of time. The circuit also contains elements for requiring the sensor to be touched twice within a limited time period in order to activate the bulb.
    Type: Grant
    Filed: January 17, 1990
    Date of Patent: May 21, 1991
    Assignee: Lamp Technologies, Inc.
    Inventors: John D. Biggs, Kenneth M. Twain