Patents by Inventor Mark David Fraser

Mark David Fraser 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).

  • Film cartridge with film-exposed visual indicator
    Patent number: 5715494
    Abstract: A film cartridge comprising a rotatable film spool, an indicator window, an annular indicator wheel rotatable behind the indicator window to move a film-exposed indication on the indicator wheel to the indicator window, and an annular drive wheel rotatably coupled with the film spool for rotating the indicator wheel to move the film-exposed indication to the indicator window, is characterized in that the indicator wheel is resilient and a flex-inducing protuberance is located to distort successive portions of the indicator wheel towards the indicator window as the indicator wheel is rotated, to position the film-exposed indication in the indicator window.
    Type: Grant
    Filed: April 3, 1996
    Date of Patent: February 3, 1998
    Assignee: Eastman Kodak Company
    Inventors: Clark Eugene Harris, Mark David Fraser