"Inventions." . . . . . "Black inventors" . "Black inventors"@en . . . . . . . . . "Biography" . . "Juvenile works" . . . . . . "Tells of 10 black inventors, the problems they overcame, and the often slow, frustrating road to ingenious achievement. This work profiles 10 African American inventors, including Lewis Temple, Elijah McCoy & Sarah Breedlove Walker, & tells how they were denied recognition for their achievements & overcame social & economic obstacles to achieve success." . . "Biographie." . . "USA." . . . . "Schwarze." . . "Afro-american inventors." . . "Technological innovations." . . "Erfinder." . .