U.S. federal trademark · Serial No. 77942915 · Reg. No. 3946789
Metal heat treating services, namely, heat treating by means of austempering of high carbon and allow steels, stress relieving of stainless steel and other alloys by means of a stress relief furnace, age hardening of beryllium copper by means of an atmosphere batch furnace, and metal finishing services by means of mechanical deburring of metal fabrications
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