DDMS

Power drill bits, namely, drill bits for mining and oil and gas down hole drills; power drill chucks, namely, rods for mining and oil and gas down hole drills; motors for down hole drilling, namely, rotor stator configured down hole mud motors for use in directional drilling applications in the mining and oil and gas fields; down hole drilling products, namely, power operated cutters for rock cuttings

Flame proof computers for applications in the mining and oil and gas fields; computer keyboards for applications in the mining and oil and gas fields; computer storage devices, namely, blank flash drives for applications in the mining and oil and gas fields; oil and gas well and mining down hole survey equipment

Down hole drilling products, namely, strainers used for separating out drilling fluid contaminants