Inventor Daniel Cooper patented the first time clock in the US.
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Inventor Otis Tufts patented the first elevator in the US.
Jan Matzeliger gave a public demonstration about his shoe-producing invention in Lynn, Massachusetts.
After encountering many difficulties, Nathan Stubblefield was finally granted a US patent for his new version of a wireless telephone.
A patent was awarded to Willis Carrier, which gave us the world’s first Air Conditioner.
Thomas Edison received a patent for his new invention, the phonograph.
