Patents by Inventor Mark D. Stewart

Mark D. Stewart 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: 6227780
    Abstract: A protective cargo support device for protecting cargo stacked for transporting. The protective cargo support device includes a pair of rigid elongate members having a rectangular structure and having ends, and further includes a plurality of ring members made of either rubber or plastic and being securely and removeably engaged about the rectangular structures and being interconnected by a pair of flexible members which have ends with each end being securely attached to a respective one of the ring members. The rigid elongate members are essentially made of wood and measure approximately 2 inches in depth and from approximately 4 inches to 6 inches in width.
    Type: Grant
    Filed: April 12, 2000
    Date of Patent: May 8, 2001
    Inventors: Mark D. Stewart, Joy A. Stadler