Add-on unidirectional brake

Adjustable back support for baby stroller

Adjustable cable compensating knuckle for a stroller

Adjustable cart

Adjustable cleaning cart and method

Adjustable hand truck

Adjustable keel for snowmobile skis and the like

Adjustable multi-purpose dolly

Adjustable multi-purpose wagon canopy

Adjustable ski for a snowmobile

Adjustable slider shoe for snowmobile suspension

Adjustable snowmobile suspension system

Adjustable stroller reclining mechanism

Adult stroller

Airline baggage cart

Airport luggage trolley with a built-in personal computer

All terrain wheelchair

All-seasons-scooter

All-terrain retail merchandising unit

An infant seat pushchair support