Patents by Inventor Oliver Dewdney

Oliver Dewdney 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).

  • Publication number: 20020029195
    Abstract: Cards confirming to credit card standards and having numbers forming part of a credit card clearing system are sold for predetermined amounts. This amount constitutes an initial balance for the card. The card is used in the normal manner, with all transactions being authorized and deducted from the initial balance. When the balance to the card is exhausted the card is discarded or may be replenished.
    Type: Application
    Filed: April 17, 2001
    Publication date: March 7, 2002
    Inventors: Jon Russell, Nick Beitner, Oliver Dewdney, Richard Underwood, William Jordan