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Famous Inventors and Their Inventions
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-------- is the man who built and patented the first mechanical, artificial heart, implantable in the chest cavity.
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A
Paul Winchell
💡 Explanation:
Paul Winchell, a ventriloquist and inventor, patented the first mechanical artificial heart in 1963. His design was implantable in the chest cavity and represented a significant advancement in medical device technology. While Wheatstone and Whitney were inventors in other fields, they were not associated with artificial heart development.