Patents by Inventor Charles H. Shockney

Charles H. Shockney 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).

  • Mold making method
    Patent number: 4925611
    Abstract: A method of making molds which is easy, quick and can be accomplished at room temperatures and atmospheric pressures. The method includes applying at least one layer of gel to a male mandrel and curing at least one layer of polyester impregnated fabric to the gel layer. At least one layer of epoxy impregnated fabric is cured to the polyester impregnated fabric. At least one layer of plaster impregnated is cured to the epoxy impregnated fabric. At least one layer of epoxy impregnated fabric is cured to the plaster impregnated fabric. The resulting mold is removed from the male mandrel.
    Type: Grant
    Filed: October 19, 1987
    Date of Patent: May 15, 1990
    Assignee: USBI Company
    Inventors: Charles H. Shockney, Roger L. Hill, William T. White