Patents by Inventor Arthur L. Kaufman

Arthur L. Kaufman 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).

  • Large format camera light baffle apparatus
    Patent number: 4339197
    Abstract: A baffle apparatus for a large format camera to prevent non-imaging light coming from the object source and traversing the camera lens from reaching the image plane. A movable opaque baffle is disposed between the camera lens and the image plane. The object source location with respect to the lens and the required position of the opaque baffle are automatically controlled by means of cams driven by a common power source.
    Type: Grant
    Filed: March 23, 1981
    Date of Patent: July 13, 1982
    Assignee: Visual Graphics Corporation
    Inventors: Arthur L. Kaufman, Quentin D. Vaughan, Roy G. von Dohlen, Richard Kopala
  • Electrophotographic apparatus for providing dry developed output from a typesetter
    Patent number: 4270859
    Abstract: The present invention is concerned with an electrophotographic apparatus for producing high quality, toned, first generation images.
    Type: Grant
    Filed: May 10, 1979
    Date of Patent: June 2, 1981
    Assignee: Eltra Corporation
    Inventors: Wiley E. Galbraith, Arthur L. Kaufman, Herbert Klepper