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
A63B43/00
Balls with special arrangements
Load children
A63B43/002
with special configuration, e.g. non-spherical
Filter patents View as hierarchy