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
43/00
Balls with special arrangements
Load children Filter patents View analytics View as hierarchy
A63B43/04
with an eccentric centre of gravity; with mechanism for changing the centre of gravity
Filter patents View analytics View as hierarchy