Patents by Inventor John H. Hilton

John H. Hilton 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).

  • Photosensitive material processor
    Patent number: 5440365
    Abstract: A processor including means for processing a photosensitive material to render latent images of photographed subjects on the photosensitive material visible, means for automatically reading a visible test indicia on the photosensitive material to determine predetermined characteristics of the test indicia and means for determining whether or not the characteristics of the visible test indicia are within a predetermined range. Also included are means for automatically creating a latent image of the test indicia on the photosensitive material. The processing means are adapted to process the photosensitive material to render the latent image of the test indicia visible. Further included are means for adjusting the processing means, if the characteristics of the visible test indicia are not within the predetermined range, to control one or more processing parameters of the processing means.
    Type: Grant
    Filed: October 14, 1993
    Date of Patent: August 8, 1995
    Assignee: Eastman Kodak Company
    Inventors: Edgar P. Gates, John H. Hilton, Frank S. Warzeski