“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 ...
Hosted on MSN1mon
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 ...
Results that may be inaccessible to you are currently showing.
Hide inaccessible results
Feedback