12 Motorized land vehicles and structural parts therefor; motors and engines for land vehicles and structural parts therefor; propulsion mechanisms for land vehicles comprising engines and electric motors sold as a unit; hitches for land vehicles; vehicle chassis; vehicle bodies; pneumatic tires for vehicle wheels; inner tubes for pneumatic tires; non-skid devices for vehicle tires, namely, automatic traction and antiskid controls; repair kits for inner tubes, namely, patches for repairing inner tubes; adhesive rubber patches for repairing inner tubes; tires for vehicle wheels; spikes for tires, namely, tire deflators, antiskid tire spikes, antiskid chains, snow chains for vehicles; rims for vehicle wheels; tires for vehicle wheels; vehicles wheels; automobile wheel hubs; shock absorbers for vehicles, shock absorber springs for vehicles; headrests for vehicle seats; vehicle seats; rearview mirrors; anti-theft alarms for vehicles, anti-theft devices for vehicles; motor cars, automobiles; motorbuses, trucks, travel trailers, trailers and semi-trailers for vehicles, trailer hitches for vehicles; tractors; motorcycles; mopeds; omnibuses; buses