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United States Utility Patents
4,197,850 - 4,197,859

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NumberTitle
4,197,850 Implantable human tissue stimulator with memory protect means
4,197,851 Apparatus for emitting high-frequency electromagnetic waves
4,197,852 Catheter electrode for electrochemical analysis
4,197,853 PO.sub.2 /PCO.sub.2 sensor
4,197,854 Process and apparatus for patient danger recognition and forecasting of a danger condition, especially in case of intensive medical care
4,197,855 Device for measuring the location, the attitude and/or the change in location or, respectively, attitude of a rigid body in space
4,197,856 Ultrasonic respiration/convulsion monitoring apparatus and method for its use
4,197,857 System for measurement of oxygen uptake and respiratory quotient
4,197,858 Sensing liquid trap for respiratory gas analyzing systems
4,197,859 Apparatus for the determination of the respiratory passageway impedance



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