Patents by Inventor Donald Lee Rayburn

Donald Lee Rayburn 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 two-color selector switch
    Patent number: 4044214
    Abstract: The selector switch has two operating positions, indicated by different colors of light. An operator knob having two spaced translucent portions of different colors is drivingly connected to a tubular switch operator rotor. A lamp shield is received within the rotor around a lamp. The lamp shield has an aperture which directs light only through the translucent portion of the selector switch knob directly over the aperture so that the color of the visible light corresponds to a particular operating position of the selector switch knob.
    Type: Grant
    Filed: March 23, 1976
    Date of Patent: August 23, 1977
    Assignee: Square D Company
    Inventors: Donald Lee Rayburn, Larry Ray Sunday, Edgar Robert Larsen