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So it turns out Michael Jackson actually invented a special shoe for creating an anti-gravity illusion which he even had patented in the United States.
Ventriloquist Paul Winchell is granted the first patent for an artificial heart. Winchell's work is aided by Dr. Henry Heimlich, who later develops the Heimlich maneuver to save choking victims. Years later, Winchell signs over his patent rights to Dr. Kolff at the University of Utah.