Inventor Otis Tufts patented the first elevator in the US.
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Isaac Fischer Jr. patented sandpaper in Springfield, Vermont, US.
Thomas Edison filed his patent for the Optical Phonograph.
Inventor Chester Carlson created the first Xerox image.
Jan Matzeliger gave a public demonstration about his shoe-producing invention in Lynn, Massachusetts.
A team of scientists invented the sports drink Gatorade in a University of Florida lab.
