e is the person who invented the railway signal
Black American inventor, Albert B. Blackburn, of Springfield, OH, received a patent for a "Railway-Signal" ("operated by the wheel or wheels of the train").Patent number 376,362
Blackburn B. Dovener was born in 1842.
Blackburn B. Dovener died in 1914.
Benjamin B. Blackburn was born on 1927-02-14.
Albert B. Reagan was born in 1871.
Albert B. Reagan died in 1936.
Albert B. Ulrey was born in 1860.
Albert B. Ulrey died in 1932.
Albert B. Douglas was born on 1912-09-02.
Albert B. Douglas died on 1971-03-06.
Albert B. Cummins was born on 1850-02-15.
Albert B. Cummins died on 1926-07-30.