Patents by Inventor Elmer J. Schupbach

Elmer J. Schupbach 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).

  • Wheelbarrow
    Patent number: 4261590
    Abstract: A wheelbarrow having a frame including a pair of subframes each made of a continuous length of tubular material and held in spaced apart relationship to each other to form a load carrying platform above and rearwardly of a wheel supported between the subframes.
    Type: Grant
    Filed: February 5, 1979
    Date of Patent: April 14, 1981
    Inventor: Elmer J. Schupbach