United States Patent 2989051
US Patent References:
/1043521.html
- - 1043521

Oscillometer
- - 2076642

Hemadynamometer
- - 2272836

/2354818.html
- - 2354818

Three-magnitude recorder
- - 2447018


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Primary Class:
600/492
Other Classes:
600/494
US Patent References:
2536527Fetal heart monitor
2555422Lie detector
2615940Electrokinetic transducing method and apparatus
2634721Pressure transducer
2648328Electric blood pressure recording system
2755796Electrostatic transducers
2826191Measurements of blood pressure
2837082Accelerometer
Foreign References:
DE723402C