Patents by Inventor Vincent Lovrich

Vincent Lovrich 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).

  • Check-digit printing means
    Patent number: 4329572
    Abstract: The invention contemplates a document printer for the automatically indexed sequential account numbering of successive documents, with the added feature of printing alongside each sequential number an automatic indication of the validity or invalidity of the number printed, said indication being a "check digit" which, in conjunction with the printed account number, renders the printed account number self-checking. The invention is described in application to weighted-modulus self-checking systems of the Modulus 10 and Modulus 11 varieties, inter alia.
    Type: Grant
    Filed: April 11, 1980
    Date of Patent: May 11, 1982
    Assignee: Autographic Business Forms, Inc.
    Inventors: Vincent Lovrich, George J. Sundell
  • Check-digit printing means
    Patent number: 4236446
    Abstract: The invention contemplates a document printer for the automatically indexed sequential account numbering of successive documents, with the added feature of printing alongside each sequential number an automatic indication of the validity or invalidity of the number printed, said indication being a "check digit" which, in conjunction with the printed account number, renders the printed account number self-checking. The invention is described in application to weighted-modulus self-checking systems of the Modulus 10 and Modulus 11 varieties, inter alia.
    Type: Grant
    Filed: December 19, 1978
    Date of Patent: December 2, 1980
    Assignee: Autographic Business Forms, Inc.
    Inventors: Vincent Lovrich, George J. Sundell