Black man invents and patents traffic signal


Traffic Signal
(blueprint)
Date: 
Tue, 1923-11-20

On this date in 1923, one of the first traffic signals in the United States was patented by an African American.

Garrett Morgan applied for and acquired a U.S. patent for this invention. The patent number was 1,475,024. Morgan's technology was later patented in Great Britain and Canada.

General Electric bought Morgan's patent for $40,000, and his traffic management device was used throughout North America until it was replaced by the red, yellow and green traffic signals currently used around the world.

Reference:
USPTO

Global Black Inventors

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