12 Land and space vehicles; Air vehicles, namely, hot air balloons, dirigible balloons, helicopters and airplanes; Water vehicles, namely, boats, run-abouts, submarines, water scooters, and surf skis; apparatus for locomotion by land, namely, automotive vehicles; apparatus for locomotion by air, namely, aeroplanes, gliders, helicopters; apparatus for locomotion by water, namely, submarines, boats, ships; apparatus for locomotion by rail, namely, trains, light rail vehicles; aircraft; helicopters; air cushion vehicles; space vehicles; space launch vehicles, namely, rockets; air balloons, namely, hot air balloons and dirigibles; structural parts for airplanes, gliders, helicopters; aeronautical apparatus, machines and appliances, namely, aerodynamic wings for airplanes; aerodynamic aircraft wings for jet airplanes, autogyros; winglets for airplanes, helicopters and gliders; aerodynamic fins for space vehicles; hydrodynamic fins for boats, submarines; rotor blades for helicopters; boat, ship, submarine, torpedo propellers; structural parts for ships, namely, keels; structural parts for airplanes and space vehicle rockets, namely, vanes; vehicle spoilers; aero-dynamic fairings for vehicles; aerodynamic drag reduction fins and vanes for land, air, space vehicles; aquadynarnic drag reduction devices for ships, submarines and boats, namely, structural panels with riblet surfaces, fins, and vanes; hydrofoils; structural parts for airplanes and helicopters having aerofoils, namely, aerodynamic wings and propellers; parts and fittings, namely, airplane landing gear, wing or rotor shape altering structural fittings