Patents by Inventor Daniel B. Najor

Daniel B. Najor 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).

  • Telephone calling card coupon
    Patent number: 6183017
    Abstract: A user purchases a card and uses it to make pre-paid telephone calls via a telephone service provider system associated with the issuer of the card. After the account balance on the card is depleted, the user can present the card to a merchant or other party for redemption in the manner of a discount coupon for products or services.
    Type: Grant
    Filed: May 22, 1998
    Date of Patent: February 6, 2001
    Inventors: Daniel B. Najor, Fritz A. Brauer