Patents by Inventor Mark J. Hoffarth

Mark J. Hoffarth 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 handles
    Patent number: 5810375
    Abstract: A wheelbarrow handle including a closed loop hand-grip. The hand-grip can be an integral portion of the handle, or retrofit to existing wheelbarrow handles by a mounting mechanism.
    Type: Grant
    Filed: June 26, 1997
    Date of Patent: September 22, 1998
    Assignee: Richard L. Hoffarth
    Inventors: Richard L. Hoffarth, Mark J. Hoffarth