U.S. federal trademark · Serial No. 71622209 · Reg. No. 0573698
CERAMIC COMBUSTION BOATS AND BARGES FOR HOLDING METAL SAMPLES; CERAMIC SHIELDS TO COVER SUCH BOATS; AND CERAMIC COMBUSTION TUBES TO CONTAIN SUCH BOATS DURING COMBUSTION; USED IN DETERMINING THE CHEMICAL ELEMENTS OF FERROUS AND NON-FERROUS METALS
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