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In 1862, while at Oberlin, Gray met and married Delia Minerva Shepard. In 1865, Gray invented a self-adjusting telegraph relay that automatically adapted to varying insulation of the telegraph line. In 1867 Gray received a patent for the invention, [5] the first of more than seventy.
Jul 29, 2024 · Elisha Gray (born Aug. 2, 1835, Barnesville, Ohio, U.S.—died Jan. 21, 1901, Newtonville, Mass.) was a U.S. inventor and contestant with Alexander Graham Bell in a famous legal battle over the invention of the telephone. Gray invented a number of telegraphic devices and in 1869 was one of two partners who founded what became Western Electric ...
- The Editors of Encyclopaedia Britannica
Jul 3, 2019 · Patent Wars - Elisha Gray Vs Alexander Graham Bell. On February 14, 1876, Alexander Graham Bell's telephone patent application entitled "Improvement in Telegraphy" was filed at the USPTO by Bell's attorney Marcellus Bailey.
- Mary Bellis
Elisha Gray (August 2, 1835 – January 21, 1901) was an American electrical engineer who co-founded the Western Electric Manufacturing Company. Gray is best known for his development of a telephone prototype in 1876 in Highland Park, Illinois .
Elisha Gray was an American electrical engineer who was also a highly successful inventor. Despite his successes, Gray's legacy is plagued by controversy and disappointment concerning one of his most groundbreaking inventions. Born in 1835 in Barnesville, Ohio, Gray was the son of William Gray and Margaret Sipprelle, who were Quaker farmers.
Overview. Elisha Gray. (1835—1901) Quick Reference. (1835–1901) US inventor. He patented the self-adjusting telegraph relay, the telegraphic repeater and the type-printing telegraph. He claimed priority as the inventor of the telephone, but Alexander Graham Bell's patent rights were upheld by the US Supreme Court. [...]
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Elisha Gray was Alexander Graham Bell's principle rival, first for inventionof the harmonic telegraph and then of the telephone. He was a prolific inventor, granted some seventy patents during his lifetime.
