Alexander miles birthdate
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Alexander Miles (May 18, 1838 – May 7, 1918) was an African American inventor and businessman, known for being awarded a patent for automatically opening and closing elevator doors.
Alexander miles education
Alexander Miles was the African American inventor who designed an automatic open and closing elevator door.
Alexander miles net worth
Alexander Miles (May 18, 1838 – May 7, 1918) was an African-American inventor was best known for being awarded as patent for an automatically opening and closing elevator doors.
When did alexander miles invent the elevator
Alexander Miles was an African-American inventor who was best known for being awarded a patent for an automatically opening and closing elevator door design in 1887.