U.S. federal trademark · Serial No. 85301052 · Reg. No. 009560558
Porphyry; Unwrought building materials of porphyry; Cobbles; Slabs, blocks, briquettes, steps of porphyry; Porphyry granules; Agglomerates of porphyry; Aggregates, including sand, gravel of porphyry
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