Patents by Inventor Robert Nathan Goren

Robert Nathan Goren 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).

  • Electrophotographic halftone printing machine employing a phase screen
    Patent number: 4003649
    Abstract: Apparatus for optically imaging a halftone pattern on a xerographic photoreceptor to produce color copies of a color original. The apparatus includes a phase screen for providing a predetermined halftone pattern, the screen producing substantially the same pattern at the same spatial frequency over the visible light spectrum.
    Type: Grant
    Filed: March 7, 1975
    Date of Patent: January 18, 1977
    Assignee: Xerox Corporation
    Inventors: Robert Nathan Goren, William Streifer, Lawrence Morton Marks