Port, Richard Trademarks
THE PUTTER MATRIX
A golf putting training aid and putter calibration device for use on a putting surface designed to teach proper alignment…
Owned by: Port, Richard and Andrews, John
Serial Number: 78598929
THE PUTTING PUZZLE SOLVED
golf putting training aid and putter calibration device, namely, a frame supporting a horizontal calibration bar, for use…
Owned by: Port, Richard and Andrews, John
Serial Number: 78598951
