Patents by Inventor Paul R. Lang

Paul R. Lang 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).

  • Illuminated control knob for electric switch
    Patent number: 4549050
    Abstract: An electric switch having a pair of light bulbs located in tandem with one light bulb serving to light the outer peripheral edge of a control knob for indicating location of the switch in the dark and the other light bulb serving to light the control knob center for providing a system status.
    Type: Grant
    Filed: June 20, 1984
    Date of Patent: October 22, 1985
    Assignee: General Motors Corporation
    Inventor: Paul R. Lang