U.S. federal trademark · Serial No. 72159273 · Reg. No. 0752434
ELECTRICAL TUBES AND LAMPS AND ACCESSORIES THEREFOR-NAMELY, MERCURY VAPOR LAMPS, GAS FILLED LAMPS, CORONA DISCHARGE LAMPS, RECTIFIER TUBES, X-RAY TUBES, LAMP AND TUBE POWER SOURCES, AND LAMP AND TUBE ENVELOPES
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