Patents by Inventor Dean Michael Rolland

Dean Michael Rolland 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: 20010017588
    Abstract: A security system for use in supermarkets and other retail outlets comprises a plurality of shopping carts and at least one point of sale terminal 10. Each point of sale terminal 10 comprises a transmitter 14 which provides an adjacent cart 13 with an electronic token once the goods in the cart have been paid for.
    Type: Application
    Filed: January 30, 2001
    Publication date: August 30, 2001
    Inventors: Paul Michael Symonds, Dean Michael Rolland