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When was the first telephone patented
Tivadar Puskás proposed the telephone switchboard exchange in See more. Alexander Graham Bell was awarded the first U.S. patent for the invention of the telephone in Elisha Gray, , designed a telephone using a water microphone in Highland Park, Illinois. Three. Speaking to assistant Thomas Watson on March 10 , Alexander Graham Bell successfully made the first telephone call in human history. Search for when was the first telephone patented with Ecosia and the ad revenue from your searches helps us green the desert . Ecosia is the search engine that plants trees. Tivadar Puskás proposed the telephone switchboard exchange in Thomas Edison invented the carbon microphone which produced a strong telephone signal. Alexander Graham Bell was awarded the first U.S. patent for the invention of the telephone in Elisha Gray, , designed a telephone using a water microphone in Highland Park, Illinois. An electromagnetic telegraph was created by Baron Schilling in The telephone emerged from the making and successive improvements of the electrical rainer-daus.de , Spanish polymath and scientist Francisco Salva Campillo constructed an electrochemical telegraph. The first working telegraph was built by the English inventor Francis Ronalds in and used static electricity. Therefore, . Mar 20, · When was the first telephone invented? February 14, The date was February 14, He was the fifth entry of that day, while Gray’s lawyer was 39th. Scottish-born Alexander Graham Bell (), developed the world's first working telephone, receiving a patent from the United States.