Henry Burden
yes he invented the horseshoe
Well, It was not a black man who invented the 'Toilet' The man who inveted the 'Flushing Toiled' Was 'Thomas Crapper'
J. T awston invented the helicopter (black male)
He wasn't black, he was Asian.
the horseshoe was inveted in 2012 febuary 4 at 10:03 A.M.
Otis
A periscope
The first man invented sharp things is Black Smith
John Standard(a black man)
A black man...
No. In 1801 a Scottish man invented the blackboard. Your question smacks of racism.
Tomas W. Stewart