he invented the telephone
electric lights
Christmas lights (miniature lights). He invented flashing lights for outside trees that would not short out when it rained.
he invented the flashing lights for outside that would not electricute when it rained and .
Ralph E. Morris invented miniature Christmas lights in 1895. At first, the public was very distrustful of the electric lights and still preferred to use candles on their Christmas trees.
Ralph Camroux Morris died in 1977.
Ralph Camroux Morris was born in 1894.
Fairy lights
Water skis.
In 1509
he invented video games..
electric lights
He invented the credit card but that's all I know.