Patents by Inventor Michael R. Kronewitter

Michael R. Kronewitter 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).

  • Patent number: 4016405
    Abstract: A verification method and system for determining whether a holder of a card is authorized to complete a transaction through an on-line terminal of an institution in a network of cooperating institutions, such as banks. The method and system are also useable in such applications as accessing a security data file in a computer, entering a security area, completing a point of sale transaction and operating on-line automated tellers in banks. In the preferred embodiment, the card contains information including first data identifying the institution holding an account of an authorized card holder and second data identifying the account. The first and second data are machine read from the card and a secret number, derived from the data but known only to the authorized holder of the card, is keyboard entered by the card holder. The first data are used to address a read only memory having random characters stored therein.
    Type: Grant
    Filed: June 9, 1975
    Date of Patent: April 5, 1977
    Assignee: Diebold, Incorporated
    Inventors: Harold K. McCune, Michael R. Kronewitter