This Day in Business History: Inventor Garrett Morgan Granted Patent for the Automatic Traffic Signal
November 20, 1923: Patent #1,475,024 was granted to inventor Garrett Augustus Morgan for his automatic traffic signal. Morgan, who had a deep interest in public safety, was inspired to invent a device to control traffic after a tragic collision between an automobile and horse and carriage in his hometown of Cleveland. He sold the manufacturing rights to General Read More …