Patents by Inventor Kenneth F. Karpinski

Kenneth F. Karpinski 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).

  • Fog monitor
    Patent number: 3994728
    Abstract: A method for monitoring the optical development of non-silver free radical film in which the fog buildup in a selected non-image portion of the film is used to control the intensity and/or duration of the development exposure so as to insure a desired level of contrast between image and non-image areas in the developed film.
    Type: Grant
    Filed: February 24, 1975
    Date of Patent: November 30, 1976
    Assignee: Horizons Incorporated, a division of Horizons Research Incorporated
    Inventors: Robert J. Crosby, Kenneth F. Karpinski, David R. Schaller