Patents by Inventor Wesley Nelson Willis

Wesley Nelson Willis 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: 3949504
    Abstract: A lighted display for a console, particularly for a telephone console for private branch exchanges, comprises a sandwich structure of a front transparent cover of a dark coloured material, an indicator layer or sheet of dark non-transparent material having transparent characters thereon and a plurality of lamps mounted in holders behind the indicator sheet, a lamp aligned with each character. When assembled an apparently completely dark blank display is presented, but on lighting of a lamp a clear distinct indication appears. Indication characters can be in vertical columns, and there is no need to stagger characters as occurs with conventional displays with "edge-lit" characters.
    Type: Grant
    Filed: October 9, 1974
    Date of Patent: April 13, 1976
    Assignee: Northern Electric Company, Limited
    Inventors: Wesley Nelson Willis, Graham Stirling Laing