An apparatus for use in the playing of a stringed instrument, namely, a ring to be worn on the hand of a person, with a bar attached to the ring such that the bar can touch the strings of the instrument

SNOW SLEDS FOR RECREATIONAL USE; SNOWBOARDS

Internal combustion engines for automobiles, aircraft and boats

Machines and devices for producing energy, namely, wind turbines, generators for wind turbines, and engines for wind energy generation, conversion and distribution, and the structural equipment, structural parts and structural accessories therefor; machines and devices for producing energy, namely, water turbines, electric generators, and engines for water energy generation, conversion and distribution, and the structural equipment, structural parts and structural accessories therefor

ELECTRIC GATE OPERATORS

hand-held knives having blades which are extendable from and retractable into a handle through use of a sliding actuator

Entertainment Services in the Nature of a Water Slide Ride

Playground equipment, namely, climbing units and slides; playground structures, namely, climbing units and slides