U.S. federal trademark · Serial No. 77720804 · Reg. No. 81471
Treatment of waste material, scrap and sludges; services in injecting additives to furnaces for making liquid metal or kilns for making cements; reclamation of solids from aqueous media by chemical precipitation; purification of industrial waste water; surface finishing and grinding of articles of common metal; treatment of slag arising from metal casting; steel cutting
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