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Invented by John Phillip Holland
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Invented by Eli Terry
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Invented by Oliver Evans
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Invented by Eli Whitney
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Invented by Lewis Waterman
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Invented by John Ericsson
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Invented by John deere
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Invented by Linus Jr. Yale
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Invented by Walter Hunt
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Invented by John Mason
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Invented by Joseph Glidden.
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Invented by Alexander Graham Bell