Patents by Inventor Todd E. Dalton

Todd E. Dalton 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).

  • Hand truck employing wheel units having multiple wheels
    Patent number: 4312417
    Abstract: A hand truck which is especially useful in moving loads up and down stairways can be constructed so as to employ two identical wheel units located adjacent to the lower end and at the back of the body or frame of the hand truck. Each of the wheel units consists of a center hub section and a plurality of arms, each of which carries a rotatably mounted wheel. The wheel units are mounted for rotation about an axis; a motor is provided for simultaneously rotating the wheel units.
    Type: Grant
    Filed: November 20, 1979
    Date of Patent: January 26, 1982
    Inventors: Todd E. Dalton, Ronald V. Dalton