Patents by Inventor Linda G. Barnett

Linda G. Barnett 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).

  • Light tunnel
    Patent number: 5911500
    Abstract: A light tunnel (10), to be used for close inspection of items (24) therein, includes a framework (12) comprised of an outer structure (30) and inner assembly (34) which support sheets of material (64) to define a pair of opposed side walls (16) and (18) and an arched top wall (20). An inner surface (42) of said walls being highly reflective to direct the light rays emanating form a light source (46) from the walls to the item to be inspected.
    Type: Grant
    Filed: October 31, 1997
    Date of Patent: June 15, 1999
    Assignee: Stuppy Incorporated
    Inventors: Linda G. Barnett, Robert T. Hinnen, Mark Overmyer