William L. Potts (1883-1947) was a police officer in Chicago IL who was troubled by the increasing auto accidents. Around 1920, he invented the three way traffic signal. See the link below for more information.
William L. Potts was born in 1883 and died in 1947.
William L. Higgins was born in 1867.
William L. Sharkey died in 1873.
William L. Kenly died in 1928.
William L. May was born in 1793.
How did William L Potts come up with the traffic lights?=who inspired William L Potts?=
as a teen william l potts was a struction builder
William L. Potts was born in 1883 and died in 1947.
William L. Potts was born in 1883 and died in 1947.
William L. Potts
William L. Potts
in acaxey stud world
William Potts Was in fact Black!
William L. Potts (1883-1947) was a police officer in Chicago IL who was troubled by the increasing auto accidents. Around 1920, he invented the three way traffic signal. See the link below for more information.
William L Potts was born in Chicago IL in 1883.
William Potts Dewees was born in 1768.
William Potts Dewees died in 1841.