Patents by Inventor Jack L. Clark

Jack L. Clark 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: 4253667
    Abstract: A golf ball putter wherein the mass of the putter head is distributed along the line of swing or stroke of the putter as distinguished from distribution of the mass of the putter head transversely to the line of the stroke of the club, the shaft being connected to the head at a point centrally of the length and width of the head, the head having a striking face defined by a transversely extending web which projects laterally of the main body of the head, the principal mass of the putter head being confined to said main body, the lateral extent of the striking face relative to the main body being such that a golf ball is engaged by a "sweet spot" throughout a major transverse extent of the striking surface, the head being provided with a cavity for weighted elements such as shot held in place by a matrix, and the cavity being closed by a rectangular panel extending longitudinally of the lie of stroke of the putter in a direction normal to the striking face and comprising an aiming stripe.
    Type: Grant
    Filed: April 13, 1979
    Date of Patent: March 3, 1981
    Inventors: Jack L. Clark, William T. Naud