U.S. federal trademark · Serial No. 72196993 · Reg. No. 0799452
ELECTRICAL EQUIPMENT-NAMELY, INDUCTION HEATERS; HIGH TEMPERATURE FURNACES; SKULL MELTING FURNACES; ULTRASONIC CLEANERS AND ACOUSTIC MACHINING AIDS AND ELECTRONIC COMPONENTS INCLUDING OXIDE COATED CATHODES; NICKEL-BASE CATHODES; TUNGSTEN DISPENSER CATHODES; RARE-EARTH CATHODES; HEXABORIDE CATHODES; COMPONENTS FOR THERMIONIC ENERGY CONVERTERS AND VACUUM TUBES; CERAMIC SPACERS; CERAMIC SEALS; CERAMIC INSULATION; INSULATORY CERAMIC CEMENTS; FOAM CERAMICS; AND PLASTIC INSULATORS
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