U.S. federal trademark · Serial No. 72463311 · Reg. No. 0995270
OXYGEN SENSOR SYSTEM-NAMELY, A DEVICE FOR DETERMINING ACTIVE OXYGEN LEVELS IN MOLTEN METAL INCLUDING A PROBE FOR IMMERSION INTO A BATH OF MOLTEN METAL, A HOLDER FOR SUPPORTING THE PROBE, AND A RECORDER FOR DISPLAYING OR RECORDING READINGS OF THE PROBE
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