The most important battle began in 1885

The most important battle began in 1885 - ,whenEdison' ,...

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The most important battle began in 1885, when Edison's group filed suit against the  United States Electric Company and George Westinghouse, for infringement of the  carbon-filament patent. After complex and difficult legislation, the courts eventually  upheld Edison's patent in 1891 and again in 1892. Instead of giving up, Westinghouse  quickly set about battling Edison in a more effective way: in the marketplace. Westinghouse was a self-taught electrician and inventor whose primary inventions lay in  train technology. Among other things, he had invented an air brake for trains in 1869. He  became Edison's primary rival in 1886, when he built the first commercial AC system in  Buffalo, New York. Westinghouse began developing this system in 1885. He was disenchanted with  Edison's system, the direct current system (DC), which had distance limitations because  voltages could not travel far on a line without losing power. Edison's system was most 
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