US Patent 7331876 Integrated putter system

A putter comprising a grip having an anatomically correct shape to promote proper grasping of the putter, a shaft having a first end and a second end, wherein the grip is attached to the first end of the shaft, a hosel attached to the second end of the shaft, a head attached to the hosel, the head having a striking face, and an alignment feature of the putter adapted to ensure correct assembly of the head onto the shaft.