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English[en]
He also worked as a medical hypnotist at the Gibbs Institute in Hollywood.[1] He developed over 30 patents in his lifetime.[citation needed] He invented an artificial heart with the assistance of Dr. Henry Heimlich, inventor of the Heimlich maneuver, and held an early but not the first U.S. patent for such a device.
Spanish[es]
Fue el inventor de un corazón artificial con la ayuda del Dr. Henry Heimlich, inventor de la Maniobra de Heimlich, y fue propietario de la primera patente de uno de dichos aparatos.[9][1][10]

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