(Airlock) bicycle helment with adjustable ventilation systems an

Accessory support member for a helmet

Accessory to hard hat attaching means

Acoustic headgear-sun visor assembly

Activating device of a visor for motorcyclist helmets

Activity eye wear

Actuating device for the vizors of helmets or similar headgears

Adapter for a protective helmet

Adapter for fixing spectacle lenses

Adapter for protective mask for a helmet

Adaptive, energy absorbing shoulder pad mounted head cage

Adhesion of diving goggle lenses

Adjustable back strap for diving and swimming equipment

Adjustable baseball batter's and catcher's helmet with mask

Adjustable baseball batter's helmet

Adjustable cap kit

Adjustable cap with safety liner

Adjustable chin strap assembly for athletic helmets

Adjustable elastic protective eyewear strap

Adjustable eye shade