Measurement of the coefficient of restitution of a golf club
Measuring device to speed golf play
Mechanical anti-wedging and controlled deployment broadhead
Mechanical anti-wedging and controlled deployment broadhead
Mechanical athletic training device
Mechanical broadhead arrowhead
Mechanical broadhead with sliding blades
Mechanical football centering device
Mechanical golf ball feed apparatus
Mechanical golf ball feed apparatus
Mechanical handling device for golf balls at a driving range
Mechanical locking device for attaching a shaft to a golf club h
Medallion gameball
Medallion gameball
Member for providing a controlled propulsion of elements...
Mesh pocket for lacrosse stick
Metal base ball bat
Metal bat having improved barrel structure
Metal bat with exterior shell
Metal bat with pressurized bladder in hitting zone and method of