Patents by Inventor George L. Luther

George L. Luther 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).

  • Photographic camera with labyrinth light-trap for deployable lens holder
    Patent number: 5241338
    Abstract: A photographic camera comprises a camera body having a front opening, a lens holder, and mounting means located inside the camera body for supporting the lens holder to move the lens holder through the front opening into and out of the camera body. The mounting means cooperates with the lens holder to form a single labyrinth which prevents ambient light that may enter the front opening substantially from reaching a film plane inside the camera body. According to the invention, covering means is arranged in surrounding relationship with the lens holder and extends through the front opening for cooperating with the lens holder to form a second labyrinth that augments the single labyrinth to further prevent ambient light from reaching the film plane.
    Type: Grant
    Filed: July 6, 1992
    Date of Patent: August 31, 1993
    Assignee: Eastman Kodak Company
    Inventor: George L. Luther