Nathaniel Alexander was the first to patent the folding chair. His invention was designed to be used in schools, churches and at large social gatherings.
Andrew Jackson Beard invented the "Jenny Coupler" in 1897, a device which allowed train cars to hook themselves together when they are bumped into one another. The device saved the lives of many railroad workers, who originally had the dangerous job of hooking the moving cars together by hand.
Henry Blair, the second African-American to receive a patent, invented a corn seed planter in 1834 and a cotton planter in 1836. Blair could not read or write and signed his patent with an X.
C.B. Brooks invented the street sweeper in 1896. It was a truck equipped with brooms.
Joseph Lee invented a bread-making machine that mixed the ingredients and kneaded the dough in 1895.
John Love invented the pencil sharpener in 1897.
L.P. Ray invented the dustpan in 1897.
Alexander Miles of Duluth, Minnesota patented an electric elevator in 1887 with automatic doors that would close off the shaft way, thus making elevators safer.
Joseph Winters invented a fire escape ladder in 1878.
Granville Woods (1856 - 1910) invented numerous devices relating to the railroad including a system of overhead electric conducting lines, air brakes and a telegraph system that allowed communication between moving trains.
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