U.S. federal trademark · Serial No. 72141919 · Reg. No. 0768166
Instruments and Apparatus for Use in Biology and Chemistry and Comprising Blood Pressure Recorders, Pulse Counters and Tachometers, Spirometers, Optical Density Measuring and Recording Systems and Components Thereof, Densitometers, and Recorders for Use with Blood Pressure and the Said Pulse Counters and Tachometers, Spirometers, and Densitometers
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