Patents by Inventor Harry L. Mitchell

Harry L. Mitchell 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: 4967517
    Abstract: A polishing method and apparatus is set forth utilizing an elongate stepped base assembly comprising a planar lower surface spaced below a a parallel upper surface. The upper surface includes a FIG. 8 recess therein defined by two overlapping cylindrical recesses. Each of the cylindrical recesses are of a predetermined diameter to receive a polishing rod defined by a diameter less than that of said predetermined diameter to be slidably received within each of said recesses. The polishing rod has secured thereto a first adhesive band adherably mounting a second adhesive strap onto a lowermost end surface of the polishing rod. A workpiece is adherably mounted to the second adhesive strap and directed interiorly of one of said cylindrical recesses subsequent to positioning a fabric polishing sheet containing polishing compound within the one cylindrical recess.
    Type: Grant
    Filed: September 11, 1989
    Date of Patent: November 6, 1990
    Inventor: Harry L. Mitchell