Patent ID: 7077757

Claim:
A golf club putter for use in putting to encourage a curvilinear swing path, comprising: a shaft having a gripping end with a handle; a putter head associated with the shaft, comprising: a central body having a heel end, a toe end, and an upper surface; a front striking surface of the central body extending from the putter-head between the front surfaces of the heel end and toe end; and a curvilinear indicia of sufficient width to be viewed by the user, formed on the upper surface transverse to the striking surface arranged beginning substantially at or near the front striking surface and extending as an are having a single radius of curvature along all or part of the depth of the putter-head toward the back of the putter-head such that the curvilinear indicia curves toward the body of the user when standing at address and wherein said upper surface excludes any curvilinear indicia that curves away from the body of the user, the indicia effective to encourage a user to use a curvilinear swing path.