Patents by Inventor McKinley Mattox

McKinley Mattox 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).

  • Dumping wheelbarrow
    Patent number: 4270786
    Abstract: A dumping wheelbarrow capable of providing a forward tilt to the barrow while maintaining the legs of the wheelbarrow on the ground. The wheelbarrow has a frame which supports the barrow which frame has a wheel and a pair of legs together with a pair of extending handles. The barrow is pivoted at a forward barrow point and is caused to dump by the action of a hydraulic piston affixed at one end to the frame and at the other end to the bottom of the barrow.
    Type: Grant
    Filed: August 3, 1979
    Date of Patent: June 2, 1981
    Inventor: McKinley Mattox