Patents by Inventor Roel C. Zylstra

Roel C. Zylstra 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: 20020069118
    Abstract: The present invention is a method and apparatus for effectuating refund receipt. The present invention allows buyers of goods and services to continually monitor prices of recently purchased items, to be notified if lower prices are found, to request a refund per the original seller's price guarantee, and potentially to receive a refund without requesting it from the seller. In a preferred embodiment, the apparatus of the present invention includes a controller that receives refund management requests from buyers. The controller continually scans for lower prices. When a lower price is found the buyers are notified and may request a refund from the original seller. The method and apparatus of the present invention have applications on the internet as well as conventional communications systems such as voice telephony.
    Type: Application
    Filed: December 4, 2000
    Publication date: June 6, 2002
    Inventor: Roel C. Zylstra