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Eli Whitney invented the Cotton Gin in 1794
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In the 1800s ben franklen invented the Bifocals
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Pellegro Turri invented the typewriter in 1808
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Ciris Mc.Commirk invented the Mechanical Reaper in 1834
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Sameule Morse invented the Morse Code in 1844
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Karl Benz invented the Zipper in 1844
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Elidz Howe invented the sewing machine in 1851
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Alexander bell invented the Telaphone in 1888
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Willis Curior invented the air conditioner in 1902
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Percy Spencer invented the Microwave Ovenin 1946
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Robert Kearn invented the Windshield Wipers in 1963
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Dougless Engleburt invented the Computer Mouse in 1963