GARRET MORGAN
Garret Morgan
No he invented the automatic oil cup and lubricator.
The first inventor was Garret A. Morgan at around 1923.
he invented the automatic traffic signal and the gas mask and was supposedly the first person in Cleveland to own a car
Traffic signals were invented by Garrett A Morgan in 1923.
yash
The first traffic light was invented in December 10, 1868. The electric traffic light was invented in 1912. The Automatic Traffic light was invented in 1927.
William L. Potts
he invented the traffic signal back then because to many people were getting hurt
the first traffic light was invented in usa i didin't know who invented it the first traffic light was not automatic someone is controling it that what i all know about the trafffic light i don't know who invented the gas mask
the first traffic light was invented in usa i didin't know who invented it the first traffic light was not automatic someone is controling it that what i all know about the trafffic light i don't know who invented the gas mask
A police office named William Potts of Detroit Michigan in 1920 invented the traffic signal. His race is not mentioned.