Mechanism for manipulating and measuring legs during stepping

Mechanism for synchronizing the movement of the handlebars...

Medical analysis and recording system

Medical device transportation unit

Medical exercising apparatus

Medicine ball

Mega putts

Metal and composite golf shaft

Metal bat for use in baseball

Metal bat with pressurized bladder in hitting zone and...

Metal goalkeeper's hockey stick

Metal golf club head

Metal golf club head

Metal matrix composites' golf clubheads

Metal wood club head

Metal wood club head and club

Metal wood golf club head with improved weighting system

Metal wood golf club with progressive weighting

Metal wood golf club with variable faceplate thickness

Metal wood golf clubhead