Patents by Inventor Steven Douglas Powell

Steven Douglas Powell 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: 8290876
    Abstract: A method and system are provided for securing a third-party payment electronic transaction, allowing a customer to seal a self-issued electronic voucher and thereby finalize a payment amount; such electronic voucher is then transmitted to a vendor and then forwarded to a payor for approval and payment or to a creditor in satisfaction of a debt.
    Type: Grant
    Filed: January 12, 2011
    Date of Patent: October 16, 2012
    Inventor: Steven Douglas Powell