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This African-American inventor and businessperson was born on May 18, 1838. They are best known for being awarded a patent for automatically opening and closing elevator doors. This patent was awarded
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This African-American inventor and businessperson was born on May 18, 1838. They are best known for being awarded a patent for automatically opening and closing elevator doors. This patent was awarded on October 11, 1887.

User Jinwoo
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24 votes

Elisha Graves Otis is the inventer of elevator.

User Zulay
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