U.S. federal trademark · Serial No. 71395423 · Reg. No. 0353184
MATERIAL TO BE USED AS AN INGREDIENT FOR CONCRETE, MORTAR, AND THE LIKE TO IMPROVE THE PROPERTIES THEREOF, AND PARTICULARLY TO IMPROVE THE HARDNESS, TO INCREASE RESISTANCE TO WEAR AND CORROSION, AND TO LENGTHEN THE LIFE OF STRUCTURES MADE THEREFROM
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