Patents by Inventor Berthuld T. Johnson

Berthuld T. Johnson 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: 5913730
    Abstract: A golf putter comprises a putter head which is generally triangular in plan view with a front face for engaging the ball and a flat base surface generally at right angles to the front face and extending rearwardly therefrom while tapering to a rear apex centrally of the putter face. An upper surface of the putter head includes a central ridge line extending downwardly from a top of the putter face to the rear apex of the base surface. The shaft is positioned centrally of the putter head and extends vertically upwardly therefrom at right angles to the base. The shaft is formed in two sections including a lower shaft section and an upper shaft section which can be moved relative to the lower shaft section from a conventional aligned position to a position at right angles thereto projecting at right angles to the front face of the putter head and rearwardly therefrom.
    Type: Grant
    Filed: May 2, 1994
    Date of Patent: June 22, 1999
    Inventor: Berthuld T. Johnson