U.S. federal trademark · Serial No. 77378418 · Reg. No. 3532265
Non-metal seals for use in sealing cast concrete; Rings of rubber for use as pipe connection seals; Seals for cast-in-place concrete tube pipe connections; Non-metal gaskets for cast-in-place concrete to pipe joints; Polymer material in the form of resilient, macroscopic bodies shaped into brick, block, or other preshaped forms, which bodies entrap hydrocarbons, chemical waste products, or bacteria
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