Black Inventors: * In 1914, inventor Garrett Morgan patented a - TopicsExpress



          

Black Inventors: * In 1914, inventor Garrett Morgan patented a breathing device in the form of a canvas hood - a precursor to the modern gas mask. He later became renowned for using his device to save workers who were trapped in a toxic fume-filled tunnel. *Garrett Augustus Morgan invented, among many other things, the first automatic three-way traffic signal system, which he eventually sold to General Electric. *In 1897, Lloyd P. Ray received a patent for an improved type of dustpan.*George T. Sampson earned a patent in 1892 for inventing a clothes dryer that used heat from a stove. *Lewis Temple revolutionized the whaling industry with his invention of the toggle harpoon in 1848. *James Wests research in sound technology led to the development of foil-electret transducers, with the innovation used in 90 percent of contemporary microphones. West holds more than 250 patents and was inducted into the National Inventors Hall of Fame in 1999. * In1878, Virginia native Joseph Winters patented a folding escape ladder mounted on fire wagons. *Granville Woods invented a number of devices related to railroad engineering, including air brake systems and what would become known as the third rail on modern tracks. He was also a pioneer in telegraph and telephone technologies, and would earn dozens of patents over his lifetime.
Posted on: Tue, 11 Feb 2014 00:55:18 +0000

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