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The invention of the telephone was the culmination of work done by more than one individual, and led to an array of lawsuits relating to the patent claims of several individuals and numerous companies.
The telephone emerged from the making and successive improvements of the electrical telegraph.In 1804, Spanish polymath and scientist Francisco Salva Campillo constructed an electrochemical telegraph. [7]
11 February 1876: Elisha Gray invents a liquid transmitter for use with a telephone, but he did not make one. 14 February 1876 about 9:30 am: Gray or his lawyer brings Gray's patent caveat for the telephone to the Washington, D.C. Patent Office (a caveat was a notice of intention to file a patent application.
An old rotary dial telephone AT&T push button telephone made by Western Electric, model 2500 DMG black, 1980. A telephone, colloquially referred to as a phone, is a telecommunications device that enables two or more users to conduct a conversation when they are too far apart to be easily heard directly.
Compañía Peruana de Teléfonos (Spanish for "Peruvian Telephone Company", CPT) was a Peruvian public telecommunications company and later privatised telephone company that operated only in the cities of Lima and Callao.
On February 27, 2009, CODETEL launched Claro TV, a digital TV service based on Microsoft Mediaroom for urban areas and Direct To Home Satellite for rural areas. [7] On January 20, 2011, Oscar Peña, the company's president, announced the company's brands would be unified and would become Claro as a part of a global unification across Latin America, where América Móvil's services are under ...
DEL Records are an American Spanish language record label founded by Angel Del Villar in 2009. Its headquarters is in Bell Gardens, California and includes DEL Records, DEL Publishing, DEL Studios and DEL Entertainment, all of which focus on regional Mexican music, specifically with genres from Mexico's pacific states such as banda, Pacific-style norteño, norteño-banda, sierreño, sierreño ...
A Telmex public pay phone. Telmex was founded in Mexico the January 1, 1947; 78 years ago (), when a group of Mexican investors bought Swedish Ericsson's Mexican branch. [citation needed] In 1950, the same investors bought the Mexican branch of the ITT Corporation, thus becoming the only telephone provider in the country.