Patents by Inventor Thomas B. Marshall

Thomas B. Marshall 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: 4175761
    Abstract: A luggage carrier is transformed into a cart, such as a shopping cart, by the provision of a knock-down, collapsible basket which is releasably engagable with the carrier and which may be easily assembled for use and disassembled for storage.
    Type: Grant
    Filed: November 4, 1977
    Date of Patent: November 27, 1979
    Inventor: Thomas B. Marshall