Golf putter with adjustable shaft and adjustable hosel

Golf putter with adjustable sight line

Golf putter with aiming apparatus

Golf putter with aiming mark

Golf putter with aiming mark

Golf putter with an undercut on the back face

Golf putter with ball and marker retrieving features

Golf putter with ball retrieval device

Golf putter with ball retrieval device

Golf putter with concave cylindrical or spherical striking...

Golf putter with concave cylindrical or spherical striking...

Golf putter with counterbalanced putter head

Golf putter with extending training rail device and its...

Golf putter with face plate insert

Golf putter with green-reading features

Golf putter with high center of gravity

Golf putter with horizontal concavity in striking face

Golf putter with improved handle

Golf putter with improved miss-hit performance, aim and feel

Golf putter with improved moment of inertia, aim and feel