Patents by Inventor George Del Vecchio

George Del Vecchio 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).

  • Duplex reproduction machine
    Patent number: 4035073
    Abstract: An apparatus for photocopying information existing on both sides of a duplex document, using dual scan of a transparent sandwich platen. Duplex copies of the document document to one side of the copy sheet, and then transporting the copy sheet within the apparatus to apply a print of the second side of the document to the reverse side of the copy sheet.
    Type: Grant
    Filed: August 21, 1975
    Date of Patent: July 12, 1977
    Assignee: Xerox Corporation
    Inventor: George Del Vecchio