Patents by Inventor Dale W. Sims

Dale W. Sims 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).

  • Collapsible, transportable cart for building materials
    Patent number: 8641061
    Abstract: A portable collapsible cart for building materials comprises a wheeled platform with selectable hinged upright supports that are collapsible, thereby forming a compact unit for storage of the device. The cart will support and transport various bulky building materials. The cart is easily maneuverable by a single person due to swivel casters and a narrow upright design. The cart collapses to a low profile for storage and also provides removably attachable racks for transportation of long linear objects.
    Type: Grant
    Filed: May 25, 2011
    Date of Patent: February 4, 2014
    Inventor: Dale W. Sims