Granville was an Engineer born on April 23, 1856. He opened his company in 1881 in Cincinnati, OH. The focus of the company was to develop, manufacture and sell electrical apparatuses.
His first invention improved the steam boiler furnace. He also improved the telephone transmitter. This device combining the telephone and the telegraph was bought by Alexander Graham Bell.
In 1887 Granville T Woods defeated Thomas Edison in a law suit that challenged his patent for the multiplex telegraph in 1887. After this victory he became known as he Black Edison. After receiving the patent for the multiplex telegraph he moved his company to New York City and changed the name to the Woods Electric Company.
Another notable invention he created was the “third rail” used by electric-power transit systems.
Granville T Woods inventions are used even today.
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