U.S. federal trademark · Serial No. 73755791 · Reg. No. 1631280
MANHOLE COVERS AND RINGS, CURB AND GUTTER INLET GRATINGS AND FRAMES, DRAINAGE GRATES AND FRAMES, TRENCH GRATES AND FRAMES, TREE GRATES AND FRAMES, METER SERVICE BOXES AND LIDS, VALVE BOXES AND LIDS, SEWER CLEANOUTS AND COVERS, AND UTILITY VAULT COVERS, ALL MADE OF CAST IRON
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