Inventions

1923: Patenting of the Traffic Signal On November 20, 1923, Garrett Morgan, an African American inventor, patented a key safety device: the traffic signal. His invention significantly improved road safety…

1903: Patenting of the Windshield Wiper On November 10, 1903, Mary Anderson was granted a patent for her invention of the manual windshield wiper, an innovation born out of necessity…