Patents by Inventor Morton F. Buchanan

Morton F. Buchanan 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).

  • Voucher redemption in mobile networks
    Patent number: 6934533
    Abstract: The present invention supports transfer of a voucher to a mobile terminal wherein the voucher is associated with and redeemed at a retailer using the mobile terminal. Redemption of the voucher requires the mobile terminal to interact with a retailer's transaction system. Preferably, the voucher includes or is associated with a value and description information pertaining to a related product or service. The voucher is authenticated in a secure fashion to ensure redemption occurs according to the issuer's specification.
    Type: Grant
    Filed: May 30, 2001
    Date of Patent: August 23, 2005
    Assignee: Nortel Networks Limited
    Inventors: Dennis P. Joyce, Michael J. Sutter, Morton F. Buchanan
  • Voucher redemption in mobile networks
    Publication number: 20020183046
    Abstract: The present invention supports transfer of a voucher to a mobile terminal wherein the voucher is associated with and redeemed at a retailer using the mobile terminal. Redemption of the voucher requires the mobile terminal to interact with a retailer's transaction system. Preferably, the voucher includes or is associated with a value and description information pertaining to a related product or service. The voucher is authenticated in a secure fashion to ensure redemption occurs according to the issuer's specification.
    Type: Application
    Filed: May 30, 2001
    Publication date: December 5, 2002
    Inventors: Dennis P. Joyce, Michael J. Sutter, Morton F. Buchanan