U.S. federal trademark · Serial No. 77409053 · Reg. No. 4063636
Oil and gas well fracturing services using proppants
Ceramic materials for use in the oil and gas well industry, namely, ceramic pellets, shots, and spheres for use in oil well and gas well hydraulic fracturing, and as gravel pack materials for sand control operation, and for use as strengthening agents for subterranean formations
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