Patent classifications
A
HUMAN NECESSITIES
Load children
A63
SPORTS; GAMES; AMUSEMENTS
Load children
A63B
APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
Load children
A63B19/02
Freely-movable rolling hoops, e.g. gyrowheels; or spheres or cylinders, carrying the user inside
Filter patents View analytics View as hierarchy