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rue
A police office named William Potts of Detroit Michigan in 1920 invented the traffic signal. His race is not mentioned.
no
he is a black inventor
The Penny Black was invented in the year 1840 in memory of QUEEN VICTORIA
He was a black inventor that invented the fountain pen
rue
George E. Becket invented the first mailbox
yes he invented the horseshoe
black inventor who first invented a refrigeration system for haul trucks black inventor who first invented a refrigeration system for haul trucks
No. Thomas Edison was a famous inventor, and he was white.
John Hunter
he invented the reusable rocket booster for NASA
He was an African American who is famous for inventing the mop.
yes she invented the heating furnace and central heat
a famous black inventor, that invented a device which would help to neatly iron clothing
he was a black African American inventor that invented the automatic gear shift.