Machine for conditioning the human body

Machine for exercising the muscles of the lower back and...

Machine-assisted exercising

Magic belt

Magnet-controlled rowing exerciser

Magnetic golf ball collecting device

Magnetic projectile

Magnetic retention of hockey goals

Mait-ball

Manhole infiltration disk and seal assembly

Manipulative device for competitive play

Manual dexterity percussion game

Manufacture of moulded fiber reinforced resin racket with...

Map spot projection system for a golf game

Marker - golf ball location

Marker suitable as a golf fairway marker

Marker suitable as a golf fairway marker

Martial arts equipment device

Martial arts physical interaction device and method

Martial arts practice apparatus