U.S. federal trademark · Serial No. 79067477 · Reg. No. 3696199
Machines and equipment for oil processing and refinement, namely, oil centrifuges, oil separators, oil-well pumping machines; oil drilling machines; sludge pumps specially made for use with petroleum; oil pumps specially made for use with petroleum for use in motors, engines; floating and non-floating drilling rigs; machinery and equipment for geological exploration, mining and mineral separation, namely, bits for mining machines, drills for mining machines, truck mills for mining purposes; hoists
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