Patents by Inventor Risto Luoto

Risto Luoto 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: 4865339
    Abstract: A hand truck includes a carrying device connected to a wheel arrangement for transporting a load on a first support surface. The wheel arrangement is slidably displaceable with respect to the carrying device and can be selectively secured in a locked position when moving the hand truck on the first support surface. The carrying device including the load is transferable to a second elevated support surface when the wheel arrangement is slid toward a handle end of the carrying device. The wheel arrangement may be removed from the carrying device or alternatively pivoted for placement on the second support surface.
    Type: Grant
    Filed: October 12, 1988
    Date of Patent: September 12, 1989
    Assignee: Carl Englund
    Inventors: Bo Rundborg, Risto Luoto