[DOC] [TLE] Edison - Edison's first contracts for inventions were with the Gold ... [PAR] View Notes - Edison from ART 2313 at Texas State. ... invention contracts, he 
operated a few telegraph manufacturing shops in Newark in the early 1870s. ... 
became embroiled in a patent battle over one of his inventions, the quadruplex 
telegraph. When the battle was settled, he received a new contract with Western 
Union. [DOC] [TLE] Edison2 - Edison's invention of the phonograph grew out of his ... [PAR] In 1876, it was the subject of a patent dispute by two men: Alexander ... the basic 
technology in 1874, he did not believe the device was marketable. ... In the end, 
Bell triumphed over the courts but faced market competition from Edison. ... 1875 
Western Union wrapped up the quadruplex court battles and gave Edison a new. [DOC] [TLE] Thomas Edison Biography: Success Story of Inventor and ... [PAR] Edison is famous for his perfection of the incandescent light bulb, a device .... 
While working for Western Union, Edison would often visit the Court Street ... 
Thomas Edison's first patented invention: the Electrical Vote Recorder, October 
11, 1868. .... the quadruplex telegraph to financier Jay Gould, sparking a court 
battle that... [DOC] [TLE] Thomas Edison Biography Biography Online [PAR] Jul 17, 2013 ... He filed over 1,000 patents for a variety of different inventions. ... In the 1870s, he 
sold the rights to the quadruplex telegraph to Western Union for $10,000. ... 'The 
Wizard of Menlo Park' Edison's device would later be improved upon ... Edison 
became involved in a battle between his DC current system and... [DOC] [TLE] Thomas Edison - Wikipedia [PAR] Thomas Alva Edison (February 11, 1847  October 18, 1931) was an American 
inventor and businessman. He developed many devices that greatly influenced 
life around the world, ... More significant than the number of Edison's patents was 
the widespread impact of his ..... And nature is not kind, or merciful, or loving. [DOC] [TLE] War of Currents - Wikipedia [PAR] The War of Currents was a series of events surrounding the introduction of 
competing electric ... The merger of the Edison company (along with its strong 
lighting patents) with ... The first type of widely used electric light was the arc lamp
. .... underground but it was stopped by a court injunction obtained by Western 
Union. [DOC] [TLE] Detailed Biography - The Edison Papers [PAR] His list of 1,093 U.S. Patents remains unchallenged by any other inventor. ... The 
Civil War was raging, and when the battle of Shiloh was reported in the Detroit ... 
of his surroundings, he worked on more than half a dozen telegraph devices. ... 
Western Union was headquartered in Manhattan, and the lawyers, bankers, and
... [DOC] [TLE] SparkNotes: Thomas Edison: Plot Overview [PAR] This free synopsis covers all the crucial plot points of Thomas Edison. ... contracts
, he operated a few telegraph manufacturing shops in Newark in the early 1870s. 
... embroiled in a patent battle over one of his inventions, the quadruplex 
telegraph. When the battle was settled, he received a new contract with Western 
Union. [DOC] [TLE] Entrepreneurship in the Early Development of the Telephone: How ... [PAR] Orton was president of the Western Union Telegraph Company and encouraged 
Thomas Edison to develop a telephone for eliminating Bell ... Union,. Hubbard 
privately offered to sell Bell's telephone patent to Orton. .... devices which could 
send multiple messages over a single wire. By .... as duplex and quadruplex. [DOC] [TLE] The Man Who Lit Up the World | Celebrities - Cigar Aficionado [PAR] Thomas Alva Edison is best known for inventing the electric light, but in his ... 
Never before having seen any machine like it, they asked what the device was for
. ... of the telegraph companies that did not have the rights to use his new patents. 
.... dispute was fought between Western Union and Jay Gould over who owned 
the... [DOC] [TLE] Timeline of United States inventions (before 1890) - Wikipedia [PAR] A timeline of United States inventions (before 1890) encompasses the ingenuity

Question: In the 1870s Edison battled Western Union over the patent on the quadruplex type of this device
Answer: the telegraph