Garrett Morgan patents three-position traffic signal

On November 20, 1923, the U.S. Patent Office grants Patent No. 1,475,074 to 46-year-old inventor and newspaperman Garrett Morgan for his three-position traffic signal. Continue reading Garrett Morgan patents three-position traffic signal

Blackartstory.org EditorsNovember 24, 2020Leave a comment

Profile: Garrett Morgan (1877-1963

Garrett Morgan blazed a trail for African American inventors with his patents, including those for a hair-straightening product, a breathing device, a revamped sewing machine, and an improved traffic signal. Continue reading Profile: Garrett Morgan (1877-1963

Blackartstory.org EditorsJuly 29, 2020July 29, 2020Leave a comment

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Tag: Garrett Morgan

Garrett Morgan patents three-position traffic signal

Profile: Garrett Morgan (1877-1963