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invented in 1793 by Eli Whitney helped seperate the seeds from the cotton.
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francis smith invented the screw propeller as a way to move boats quickly through water without having to paddle.
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Lester Pelton invented the waterwheel as a power source for machinery.
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Lewis Waterman created thr fountain pen to help writers.
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linus jr yale invinted the door lock this helped stop crimes.
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John Kellogg created breakfast cereal this was accually a accident but it is more important to breakfast than poptarts.
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William Erastus Upjohn created this and it greatly helped the medical field.
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William Painter invented bottle caps this was cheap and helped the bottling industry making them a lot of money.
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Guglielmo Marconi made the radio people could now listen to news and music.
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invented by alfred noble helped mining no more manual digging.
