Inventor William Austin Burt patented the typographer, also known as the typewriter in the US.
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A patent was awarded to Willis Carrier, which gave us the world’s first Air Conditioner.
German inventor Ferdinand von Zeppelin granted a patent for the navigable balloon.
The lie detector, invented in 1921 by John Augustus Larson, was first used in the Netherlands.
Isaac Briggs & William Longstreet was awarded a patent for the first steamboat in the US.
Swedish-American inventor John Ericsson patented the screw propeller design.
