Patents by Inventor Kenneth V. Viljoen

Kenneth V. Viljoen 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: 5104457
    Abstract: The present invention provides for a method of making a golf club head which comprises the steps of casting the head in an alloy having copper and aluminum as its major constituents by weight, fettling the cast head as required, heat-treating the head by heating it to an temperature in the range 960.degree. C. to 980.degree. C. for a period of about two hours, water quenching the head, and finally of cleaning the cast, fettled and heat-treated head to give a desired finish thereto.
    Type: Grant
    Filed: June 30, 1989
    Date of Patent: April 14, 1992
    Assignee: Country Club Golf Equipment (Proprietary) Limited
    Inventors: Kenneth V. Viljoen, Alistair Elrick