U.S. federal trademark · Serial No. 71390228 · Reg. No. 568388
ELECTRODES FOR BATTERIES, LIGHTING AND WELDING, BRUSHES FOR ELECTRICAL MACHINERY, SCREENS AND ANODES FOR THERMIONIC VALVES, LIGHTNING ARRESTERS, ELECTRICAL RESISTANCES, MICROPHONES AND PARTS THEREOF ALL MADE WHOLLY OR PRINCIPALLY OF CARBON AND PIECES OF CARBON FOR ELECTRICAL USE INCLUDING CONTACTS
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