U.S. federal trademark · Serial No. 72023945 · Reg. No. 0665579
RAW AND PARTIALLY PREPARED MATERIAL USED IN THE PREPARATION OF MOLDED AND UNMOLDED HEAT-RESPONSIVE PRODUCTS-NAMELY, MIXTURES OF METAL OXIDES FOR BOLOMETERS, AND MIXTURES INCLUDING A SUBSTANTIAL PROPORTION OF ARSENIC TRISULFIDE FOR HEAT-TRANSMITTING GLASS
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