Apparatus and method for automatically propelling game balls for
Archery bow with pivoted bow limbs having rotational synchronize
Ball pitching system
Device using a pneumatically-actuated carrier to eject...
Fixed contact point practicing machine
Gas powered weapon having shearable diaphragm member
Hand held pneumatic powered ball thrower
Pneumatic spear gun
Pneumatically operated spear gun
Short limb archery bow
Toy projectile launching apparatuses