“Garrett Morgan saw a problem ... The design was the precursor to today’s gas mask. Two years later, Morgan received two patents for the inventions. This design went on to win first prize ...
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Who invented the traffic light? It happened in OhioThe answer leads right back to Cleveland and the legacy of Garrett A ... In 1914, Morgan invented a breathing device that would later be known as the gas mask, an invention that saved lives ...
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Who invented the traffic light? It happened right here in ClevelandThe answer leads right back to Cleveland and the legacy of Garrett A ... In 1914, Morgan invented a breathing device that would later be known as the gas mask, an invention that saved lives ...
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