Patents Represented by Attorney R. Libelli
  • Patent number: 4712907
    Abstract: An electrophotographic printing machine for reproducing an original document with a copy thereof having additional indicia thereon. A means such as a movable occluder bar is used to mask a region of photoconductive member from the illuminating means to prevent discharge at that region. Then a means to discharge selectively the masked region reocrds a latent image corresponding to the additional indicia.
    Type: Grant
    Filed: November 1, 1985
    Date of Patent: December 15, 1987
    Assignee: Xerox Corporation
    Inventors: Joseph Weinberger, Gary S. Bricault, David Gruber, Eleonora Rakover