Matches 1 - 3 out of 3
Match Document Document Title
US20090203460 PROBE GOLF TRAINING PUTTER  
A putting training system is described which includes a modified putter head and may include a modified golf ball. The putter head includes sensor prongs which project from the putter head face.
US20090042659 PRACTICE SPORT PROJECTILE HAVING A THROUGH-HOLE WITH TRANSVERSE INDICATOR  
There are disclosed non-standard sport projectiles having a material with a high flexural modulus, and an axle at the axis of rotation. The axle extends through at least one linear through hole....
US20080096691 GOLF BALL WITH COLORED IMPACT ZONE  
A golf ball has colored lines emanating from colored visual impact zones of the ball to form a useful alignment tool as well as directional indicators. The visual impact zones are located on...
Matches 1 - 3 out of 3