Alexander Miles (May 18, 1838 - May 7, 1918) was an African-American inventor
who was best known for being awarded a patent for an automatically opening ...
Miles invented a mechanism that triggered the shaft doors to open and close
along with the elevator doors, making the ride safer. Did You Know? The
Alexander Miles of Duluth, Minnesota patented an electric elevator (U.S. pat#
371,207) on October 11, 1887 (see patent below). Alexander Miles did not invent
Jan 6, 2016 ... Alexander Miles was an African-American inventor who is best ... Did You Know?
.... Otis invented the brakes and Miles invented the doors.
Alexander Miles invented the automatic closing doors for elevators Alexander
Miles was an African-American inventor who was best known for being awarded
Feb 25, 2012 ... Alexander Miles was an African-American inventor who was best known ...
147,853 for the invention of the first automatic elevator door system.
Feb 18, 2013 ... Alexander Miles, who lived in Duluth in the 1880s and 1890s, was ... The
influence of Alexander's invention is still seen in modern ... I'm doing report and
this is really helpful and just one thing what promplams did he face.
Dec 20, 2014 ... Facts about Alexander Miles talk about the famous African American ... Due to his
famous invention, he listed his design of automatically ...
www.ask.com/youtube?q=What Did Alexander Miles Invent&v=RrRKLi9MW14
Feb 2, 2012 ... Alexander Miles (Improved Elevator Shaft) .... Who Invented the Elevator? ...
Alguns dos muitíssimos Inventores e Cientistas Negros - (África).
Alexander Miles Patented improvements/innovations to the elevator with a
system for automatically opening and closing doors, saving lives in the process.