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John Haven Emerson

Inventor who also created a practical and affordable edition from the iron lung artificial respirator. He required over a machine store at age group 22 from an area vendor and quickly started focusing on his personal inventions. He produced an improved edition of a preexisting iron lung, but its patent holder sued him for infringement and dropped. His cousin Maxfield Parrish added drawings for some of his patents. He was linked to Ralph Waldo Emerson.

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