A patent was awarded to Willis Carrier, which gave us the world’s first Air Conditioner.
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John B. Meyenberg from St. Louis, Missouri, patented powdered milk.
Karl Benz patented the gasoline-operated motor car.
Isaac Fischer Jr. patented sandpaper in Springfield, Vermont, US.
Leonard Norcross was granted the first US patent for an underwater diving suit.
Inventor Elisha Otis acquired a patent for a steam engine for elevators.
