Patents Represented by Attorney, Agent or Law Firm Aldred W. Kozak
  • Self-authentication of value documents using encoded indices
    Patent number: 6212504
    Abstract: A method and system as presented by which valuable documents such as checks, deeds, driver's licenses, and other types of valuable documents can be imprinted with encoded symbols by a printer whereupon multiple assemblages of data can be imprinted on the valued document which is then susceptible to readout by a document reader which will automatically authenticate and verify the originator or the document and its authenticity and obviate any attempts for fraudulent alteration.
    Type: Grant
    Filed: January 6, 1999
    Date of Patent: April 3, 2001
    Assignee: Unisys Corporation
    Inventor: Thomas David Hayosh