Patents by Inventor John Kanne

John Kanne 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).

  • Tubular golf shaft of stainless steel
    Patent number: 4125260
    Abstract: An improved precipitation hardening or maraging stainless steel for use in Tubular Sporting Implements, particularly golf shafts containing chromium, molybdenum and nickel, the sum of said chromium, molybdenum and nickel being at least 18% and not exceeding 25%, at least one element selected from the group consisting of aluminum and titanium in a maximum of 1.30%, carbon in a maximum amount of 0.06%, manganese 0.50% maximum, silicon 0.30% maximum, the balance being essentially iron and incidental impurities.
    Type: Grant
    Filed: May 17, 1976
    Date of Patent: November 14, 1978
    Assignee: True Temper Corporation
    Inventors: John Kanne, Harry E. Deverell