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Willis Carrier was an engineer. He was best known for inventing the Air conditioning which cools off our homes today. https://en.wikipedia.org/wiki/Willis_Carrier
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James Mackenzie invented the Polygraph Machine in 1902. This machine records Blood pressure, pulse, reparations and skin conductivity when asked a series of questions.
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The Wright Brothers invented the first gas motored airplane.
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The Windshield wipers were invented in 1903 by woman names Mary Anderson. These wipers are to clean of the windshield of your car. These wipers are controlled within the car.
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In 1904 Thomas Sullivan invented the tea bag. A tea bag is a small porous sealed bag containing tea leaves.
