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Alexander Graham Bell's Telephone Patent Drawing, 1876 The master telephone patent, 174465, granted to Bell, March 7, 1876 According to Gray's account, his patent caveat was taken to the US patent office a few hours before Bell's application, shortly after the patent office opened, and remained near the bottom of the in-basket until that afternoon.
The Telephone Cases, 126 U.S. 1 (1888), were a series of U.S. court cases in the 1870s and the 1880s related to the invention of the telephone, which culminated in an 1888 decision of the U.S. Supreme Court that upheld the priority of the patents belonging to Alexander Graham Bell.
The Elisha Gray and Alexander Bell telephone controversy considers the question of whether Bell and Gray invented the telephone independently and, if not, whether Bell stole the invention from Gray. This controversy is narrower than the broader question of who deserves credit for inventing the telephone, for which there are several claimants.
This is an accepted version of this page This is the latest accepted revision, reviewed on 21 December 2024. Technical and legal issues surrounding the development of the modern telephone For broader coverage of this topic, see History of the telephone. Replica of Antonio Meucci's telettrofono Reis's telephone The invention of the telephone was the culmination of work done by more than one ...
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 and Alexander Bell telephone controversy: Johann Philipp Reis, Antonio Meucci, Alexander Graham Bell, Elisha Gray Incandescent light bulb : Thomas Edison, Joseph Swan [ 43 ] [ 44 ] Radio : Oliver Lodge , Jagadish Chandra Bose , Reginald Fessenden , Guglielmo Marconi , Roberto Landell de Moura , Alexander Popov , Nikola Tesla [ 45 ...
The Telephone and Its Several Inventors: A History. Jefferson, NC: McFarland & Co. Evenson, A. Edward (2000). The Telephone Patent Conspiracy of 1876: The Elisha Gray – Alexander Bell Controversy. Jefferson, NC: McFarland & Co. Fischer, Claude S. (1994) America calling: A social history of the telephone to 1940 (Univ of California Press, 1994)
Watson in his later years, holding Bell's original telephone. Born in Salem, Massachusetts, [1] United States Watson was a bookkeeper and a carpenter before he found a job more to his liking in the Charles Williams machine shop in Boston in 1872. [2] He was then hired by Alexander Graham Bell, who was then a professor at Boston University.