U.S. federal trademark · Serial No. 72293133 · Reg. No. 0877090
RECORDING CHARTS USED ON MEDICAL INSTRUMENTS-NAMELY, ELECTROCARDIOGRAPHS, ELECTROENCEPHALOGRAPHS, CHROMATOGRAPHS, ELECTROMYOGRAPHS, OSCILLOGRAPHS, POLYGRAPHS, PNEUMOGRAPHS, RESPIROMETERS, SPECTROMETERS, SPECTROPHOTOMETERS, TONOMETERS, STERILIZERS, KYMOGRAPHS, OXYGRAPHS, SPIROMETERS, AND VITALOMETERS
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