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Invented by Samuel Colt
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Invented by John Deere
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Invented by Linus Yale
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Invented by Lester Pelton
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invented by William Erastus Upjohn
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Invented by Lewis Waterman
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Invented by Hiram Maxim
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Invented by William Painter
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Invented by John Kellogg
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Invented by Guglielmo Marconi