Charles F. Kettering of Dayton Engineering Laboratories Company (DELCO) invented and filed for U.S. Patent 1,150,523 for the first useful electric starter.
Patterson
nikola tesla
Charles Kettering invented it for Cadillac in 1912.
caca
not to sure,sorry.
Nobody invented sandstone it is a naturally ac curing substance in the earth.
Lockheed and Boeing
Clyde J. Coleman
I know one is the ac clutch relay. One is the ac blower motor power. One is the starter relay.
Nikola Tesla invented the poly-phase induction motor in 1883.
He invented it in 1888.
Charles Kettering did about 1911. He invented many useful auto accessories.